2017 in paleobotany

Image:Osmundastrum-Pulchellum-rhizome.jpg

A member of the family Osmundaceae; a replacement name for Ashicaulis claytoniites Cheng (2011).

Osmundastrum pulchellum

Comb. nov.

Valid

Bomfleur, Grimm & McLoughlin

Early Jurassic (Pliensbachian-Toarcian)

Djupadal Formation

A member of Osmundaceae. Originally described as a species of Osmunda; transferred to the genus Osmundastrum.

Costatoperforosporites friisiae{{Cite journal|author1=Mário Miguel Mendes |author2=Eduardo Barrón |author3=David J. Batten |author4=João Pais |year=2017 |title=A new species of the spore genus Costatoperforosporites from Early Cretaceous deposits in Portugal and its taxonomic and palaeoenvironmental significance |journal=Grana |volume=56 |issue=6 |pages=401–409 |doi=10.1080/00173134.2016.1269189 |s2cid=90049504 |hdl=20.500.12468/754 |hdl-access=free }}

Sp. nov

Valid

Mendes et al.

Early Cretaceous (late Aptian–early Albian)

Lusitanian Basin

A member of Anemiaceae described on the basis of spores.

Cystodium sorbifolioides{{Cite journal|author1=Ledis Regalado |author2=Alexander R. Schmidt |author3=Marc S. Appelhans |author4=Bork Ilsemann |author5=Harald Schneider |author6=Michael Krings |author7=Jochen Heinrichs |year=2017 |title=A fossil species of the enigmatic early polypod fern genus Cystodium (Cystodiaceae) in Cretaceous amber from Myanmar |journal=Scientific Reports |volume=7 |issue=1 |pages=Article number 14615 |doi=10.1038/s41598-017-14985-7 |pmid=29097728 |pmc=5668433 |bibcode=2017NatSR...714615R }}

Sp. nov

Valid

Regalado et al.

Late Cretaceous (earliest Cenomanian)

Burmese amber

A fern belonging to the family Cystodiaceae.

File:Cystodium sorbifolioides Holotype fig1 A.jpg]]

Goniophlebium macrosorum{{Cite journal|author1=Cong-Li Xu |author2=Jian Huang |author3=Tao Su |author4=Xian-Chun Zhang |author5=Shu-Feng Li |author6=Zhe-Kun Zhou |year=2017 |title=The first megafossil record of Goniophlebium (Polypodiaceae) from the Middle Miocene of Asia and its paleoecological implications |journal=Palaeoworld |volume=26 |issue=3 |pages=543–552 |doi=10.1016/j.palwor.2017.01.006 }}

Sp. nov

Valid

Xu & Zhou in Xu et al.

Miocene

A fern belonging to the family Polypodiaceae.

Hymenophyllum iwatsukii{{Cite journal|author1=Fabiany Herrera |author2=Robbin C. Moran |author3=Gongle Shi |author4=Niiden Ichinnorov |author5=Masamichi Takahashi |author6=Peter R. Crane |author7=Patrick S. Herendeen |year=2017 |title=An exquisitely preserved filmy fern (Hymenophyllaceae) from the Early Cretaceous of Mongolia |journal=American Journal of Botany |volume=104 |issue=9 |pages=1370–1381 |doi=10.3732/ajb.1700246 |pmid=29885232 |doi-access=free }}

Sp. nov

Valid

Herrera et al.

Beartooth Butte Formation

A filmy fern, a species of Hymenophyllum.

Kidstoniopteris

Gen. et comb. nov

Valid

Frojdová et al.

Carboniferous (early Moscovian)

A leptosporangiate fern belonging to the group Filicales; a new genus for "Boweria" minor Kidston (1923).

Korallipteris alineae{{Cite journal|author1=John G. Conran |author2=Joseph A. Jackson |author3=Daphne E. Lee |author4=Elizabeth M. Kennedy |year=2017 |title=Gleichenia-like Korallipteris alineae sp. nov. macrofossils (Polypodiophyta) from the Miocene Landslip Hill silcrete, New Zealand |journal=New Zealand Journal of Botany |volume=55 |issue=3 |pages=258–275 |doi=10.1080/0028825X.2017.1317278 |s2cid=91077403 }}

Sp. nov

Valid

Conran et al.

Early Miocene

A fern.

Lygodium goonyellum{{Cite journal|author1=Andrew C. Rozefelds |author2=Mary E. Dettmann |author3=H. Trevor Clifford |author4=Raymond J. Carpenter |year=2017 |title=Lygodium (Schizaeaceae) in southern high latitudes during the Cenozoic — A new species and new insights into character evolution in the genus |journal=Review of Palaeobotany and Palynology |volume=247 |pages=40–52 |doi=10.1016/j.revpalbo.2017.07.001 |bibcode=2017RPaPa.247...40R |doi-access=free }}

Sp. nov

Valid

Rozefelds et al.

Oligocene–early Miocene

A species of Lygodium.

Rhabdoxylon taiyuanense{{Cite journal|author=Jing Ma|author2=Shi-Jun Wang|author3=Ke-Qin Sun|name-list-style=amp |year=2017 |title=Rhabdoxylon taiyuanense n. sp.: A new botryopterid fern from the Lower Permian of Shanxi Province, North China |journal=Palaeoworld |volume=26 |issue=3 |pages=489–499 |doi=10.1016/j.palwor.2016.05.002 }}

Sp. nov

Valid

Ma, Wang & Sun

Early Permian

Taiyuan Formation

A fern belonging to the family Botryopteridaceae.

Salvinia bogotensis{{Cite journal|author1=Nicolás Pérez-Consuegra |author2=Aura Cuervo-Gómez |author3=Camila Martínez |author4=Camilo Montes |author5=Fabiany Herrera |author6=Santiago Madriñán |author7=Carlos Jaramillo |year=2017 |title=Paleogene Salvinia (Salviniaceae) from Colombia and their paleobiogeographic implications |journal=Review of Palaeobotany and Palynology |volume=246 |pages=85–108 |doi=10.1016/j.revpalbo.2017.06.003 |bibcode=2017RPaPa.246...85P }}

Sp. nov

Valid

Pérez-Consuegra et al.

Paleogene

A species of Salvinia.

Salvinia magdalenensis

Sp. nov

Valid

Pérez-Consuegra et al.

Paleogene

A species of Salvinia.

Liverworts

Name ! Novelty ! Status ! Authors ! Age ! type locality ! Location ! Notes ! Images
class="wikitable sortable" align="center" width="100%"
Conocephalumites{{Cite journal\|author1=Caiqing Guo \|author2=Jianxin Yao \|author3=Jianwei Zhang \|author4=Pengcheng Wu \|author5=Chengsen Li \|year=2017 \|title=New fossil liverworts from the Lower Cretaceous of Western Liaoning, China \|journal=Acta Geologica Sinica (English Edition) \|volume=91 \|issue=5 \|pages=1542–1552 \|url=http://www.geojournals.cn/dzxben/ch/reader/view_abstract.aspx?file_no=2017endzxb05003&flag=1 \|doi=10.1111/1755-6724.13399 \|s2cid=133867341 \|url-access=subscription }} \| Gen. et sp. nov \| Valid \| Wu & Guo in Guo et al. \| Early Cretaceous \| Yixian Formation \| {{Flag\|China}} \| A liverwort belonging to the family Conocephalaceae. Genus includes new species C. hexagonites. \|
Frullania pinnata{{Cite journal\|author1=Jochen Heinrichs \|author2=Kathrin Feldberg \|author3=Patrick Müller \|author4=Alfons Schäfer-Verwimp \|author5=Matt von Konrat \|author6=Bork Ilsemann \|author7=Michael Krings \|year=2017 \|title=Frullania pinnata spec. nov. (Frullaniaceae, Porellales), a new leafy liverwort in mid-Cretaceous Burmese amber from Myanmar \|journal=Cretaceous Research \|volume=78 \|pages=56–60 \|doi=10.1016/j.cretres.2017.05.030 \|bibcode=2017CrRes..78...56H }} \| Sp. nov \| Disputed \| Heinrichs et al. \| Late Cretaceous (Cenomanian) \| Burmese amber \| {{Flag\|Myanmar}} \| A liverwort, a species of Frullania. Li et al. (2021) considered it to be conspecific with Frullania baerlocheri.{{Cite journal\|author1=Ya Li \|author2=Li-Qin Li \|author3=Kathrin Feldberg \|author4=Peng-Cheng Wu \|author5=Harald Schneider \|author6=Alexander R. Schmidt \|author7=Yong-Dong Wang \|year=2021 \|title=Re-appraisal of two fossil Frullaniaceae species (Marchantiophyta, Porellales) from the mid-Cretaceous Burmese amber \|journal=Cretaceous Research \|volume=124 \|pages=Article 104803 \|doi=10.1016/j.cretres.2021.104803 \|bibcode=2021CrRes.12404803L \|s2cid=233841009 }} \|
Frullania rovnoi{{Cite journal\|author1=Yuriy S. Mamontov \|author2=Jörn Hentschel \|author3=Nadezhda A. Konstantinova \|author4=Evgeny E. Perkovsky \|author5=Michael S. Ignatov \|year=2017 \|title=Hepatics from Rovno amber (Ukraine), 6. Frullania rovnoi, sp. nov. \|journal=Journal of Bryology \|volume=39 \|issue=4 \|pages=336–341 \|doi=10.1080/03736687.2017.1343220 \|s2cid=90476291 }} \| Sp. nov \| Valid \| Mamontov et al. \| Eocene \| Rovno amber \| {{Flag\|Ukraine}} \| A liverwort, a species of Frullania. \|
Lejeunea hamatiloba{{Cite journal\|author1=Gaik Ee Lee \|author2=Laura Kolberg \|author3=Julia Bechteler \|author4=Alfons Schäfer-Verwimp \|author5=Matthew A.M. Renner \|author6=Alexander R. Schmidt \|author7=Jochen Heinrichs \|year=2017 \|title=The leafy liverwort genus Lejeunea (Porellales, Jungermanniopsida) in Miocene Dominican amber \|journal=Review of Palaeobotany and Palynology \|volume=238 \|pages=144–150 \|doi=10.1016/j.revpalbo.2016.11.013 \|bibcode=2017RPaPa.238..144L \|doi-access=free }} \| Sp. nov \| Valid \| Lee et al. \| Miocene \| Dominican amber \| {{Flag\|Dominican Republic}} \| A liverwort, a species of Lejeunea. \|
Lejeunea resinata \| Sp. nov \| Valid \| Lee et al. \| Miocene \| Dominican amber \| {{Flag\|Dominican Republic}} \| A liverwort, a species of Lejeunea. \|
Lejeunea urbanioides \| Sp. nov \| Valid \| Lee et al. \| Miocene \| Dominican amber \| {{Flag\|Dominican Republic}} \| A liverwort, a species of Lejeunea. \|
Metzgerites multifidus \| Sp. nov \| Valid \| Wu in Guo et al. \| Early Cretaceous \| Yixian Formation \| {{Flag\|China}} \| A liverwort belonging to the family Metzgeriaceae. \|
Pallaviciniites stricta \| Sp. nov \| Valid \| Wu & Guo in Guo et al. \| Early Cretaceous \| Yixian Formation \| {{Flag\|China}} \| A liverwort belonging to the family Pallaviciniaceae. \|
Pellites \| Gen. et sp. nov \| Valid \| Wu & Guo in Guo et al. \| Early Cretaceous \| Yixian Formation \| {{Flag\|China}} \| A liverwort belonging to the family Pelliaceae. Genus includes new species P. latithallus. \|
Protofrullania{{Cite journal\|author1=Jochen Heinrichs \|author2=Kathrin Feldberg \|author3=Julia Bechteler \|author4=Patrick Müller \|author5=Matthew A.M. Renner \|author6=Jiří Váňa \|author7=Alfons Schäfer-Verwimp \|author8=Alexander R. Schmidt \|year=2017 \|title=A fossil genus of the Frullaniaceae (Porellales, Jungermanniopsida) from the mid-Cretaceous of Myanmar \|journal=Cretaceous Research \|volume=74 \|pages=223–226 \|doi=10.1016/j.cretres.2017.02.023 \|bibcode=2017CrRes..74..223H }} \| Gen. et sp. nov \| Valid \| Heinrichs et al. \| Cretaceous (Albian-Cenomanian) \| Burmese amber \| {{Flag\|Myanmar}} \| A liverwort belonging to the family Frullaniaceae. Genus includes new species P. cornigera. \|
Radula cretacea{{Cite journal\|author1=Julia Bechteler \|author2=Alexander R. Schmidt \|author3=Matthew A. M. Renner \|author4=Bo Wang \|author5=Oscar Alejandro Pérez-Escobar \|author6=Alfons Schäfer-Verwimp \|author7=Kathrin Feldberg \|author8=Jochen Heinrichs \|year=2017 \|title=A Burmese amber fossil of Radula (Porellales, Jungermanniopsida) provides insights into the Cretaceous evolution of epiphytic lineages of leafy liverworts \|journal=Fossil Record \|volume=20 \|issue=2 \|pages=201–213 \|doi=10.5194/fr-20-201-2017 \|doi-access=free }} \| Sp. nov \| Valid \| Bechteler, Renner, Schäfer-Verwimp & Heinrichs in Bechteler et al. \| Cretaceous (late Albian or early Cenomanian) \| Burmese amber \| {{Flag\|Myanmar}} \| A species of Radula liverwort \|
Riccardiothallus palmata \| Sp. nov \| Valid \| Wu & Guo in Guo et al. \| Early Cretaceous \| Yixian Formation \| {{Flag\|China}} \| A liverwort belonging to the family Aneuraceae. \|

Lycophytes

class="wikitable sortable" align="center" width="100%"

Name

! Novelty

! Status

! Authors

! Age

! type locality

! Location

! Notes

! Images

Cymastrobus{{Cite journal|author1=Mathilde Evreïnoff |author2=Brigitte Meyer-Berthaud |author3=Anne-Laure Decombeix |author4=Renaud Lebrun |author5=Philippe Steemans |author6=Paul Tafforeau |year=2017 |title=A new Late Devonian isoetalean lycopsid from New South Wales, Australia: Cymastrobus irvingii gen. et sp. nov. |journal=Palaeontologia Electronica |volume=20 |issue=3 |pages=Article number 20.3.47A |url=http://palaeo-electronica.org/content/2017/2012-devonian-lycopsid-cone |doi=10.26879/767 |doi-access=free }}

Gen. et sp. nov

Valid

Evreïnoff et al.

Devonian (Famennian)

Mandowa Mudstone

A member of Lycopsida belonging to the group Isoetales. Genus includes new species C. irvingii.

Lepidodendron vaselgense{{Cite journal|author1=O. A. Orlova |author2=A. V. Tevelev |author3=D. A. Mamontov |author4=E. V. Anikeeva |year=2017 |title=Late Carboniferous lycopsids of the Karantrav locality (the Southern Urals) |journal=Moscow University Geology Bulletin |volume=72 |issue=1 |pages=28–36 |doi=10.3103/S0145875217010100 |s2cid=132583239 }}

Sp. nov

Valid

Anikeeva & Orlova in Orlova et al.

Late Carboniferous

Lepidostrobus tevelevii

Sp. nov

Valid

Orlova, Mamontov & Anikeeva in Orlova et al.

Late Carboniferous

Nothostigma{{Cite journal|author=Alexander B. Doweld |year=2017 |title=A review of the nomenclature of Cyclostigma (Cyclostigmatales: Cyclostigmataceae; fossil Isoetophyta) |journal=Taxon |volume=66 |issue=6 |pages=1456–1465 |doi=10.12705/666.12 }}

Gen. et comb. nov

Valid

Doweld

Carboniferous and Permian

A lycophyte. The type species is "Bothrodendron" pacificum Steinmann.

Sengelia{{Cite journal|author1=Kelly K. S. Matsunaga |author2=Alexandru M. F. Tomescu |year=2017 |title=An organismal concept for Sengelia radicans gen. et sp. nov. – morphology and natural history of an Early Devonian lycophyte |journal=Annals of Botany |volume=119 |issue=7 |pages=1097–1113 |doi=10.1093/aob/mcw277 |pmid=28334100 |pmc=5604611 }}

Gen. et sp. nov

Valid

Matsunaga & Tomescu

Early Devonian

{{Flag|United States}}
({{Flag|Wyoming}})

A lycophyte. Genus includes new species S. radicans.

Sublepidodendron nelidovense{{Cite journal|author1=Yu.V. Mosseichik |author2=I.A. Ignatiev |year=2017 |title=Viséan lycopods from the Moscow Basin: New species and suprageneric affiliation |journal=Lethaea Rossica |volume=15 |pages=1–19 |url=http://paleobot.ru/pdf/01_2017_15.pdf }}

Sp. nov

Valid

Mosseichik in Mosseichik & Ignatiev

Moscow Coal Basin

{{Flag|Russia}}
({{Flag|Tver Oblast}})

A lycopod belonging to the group Lepidodendrales and the family Flemingitaceae.

Sublepidodendron puchkoviorum

Sp. nov

Valid

Mosseichik in Mosseichik & Ignatiev

Moscow Coal Basin

{{Flag|Russia}}
({{Flag|Tula Oblast}})

A lycopod belonging to the group Lepidodendrales and the family Flemingitaceae.

Tenellisporites antarcticus{{Cite journal|author1=David John Cantrill |author2=Allan C. Ashworth |author3=Adam R. Lewis |year=2017 |title=Megaspores of an early Miocene aquatic lycopod (Isoetales) from Antarctica |journal=Grana |volume=56 |issue=2 |pages=112–123 |doi=10.1080/00173134.2016.1144784 |s2cid=88739607 }}

Sp. nov

Valid

Cantrill in Cantrill, Ashworth & Lewis

Early Miocene

Antarctica

A lycopod belonging to the group Isoetales described on the basis of megaspores.

Ulodendron ulianovii

Sp. nov

Valid

Mosseichik in Mosseichik & Ignatiev

Moscow Coal Basin

{{Flag|Russia}}
({{Flag|Tver Oblast}})

A lycopod belonging to the group Lepidodendrales and the family Flemingitaceae.

Ginkgoales

class="wikitable sortable" align="center" width="100%"

Name

! Novelty

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Baiera triassica{{Cite journal|author1=Silvia C. Gnaedinger |author2=Ana M. Zavattieri |year=2017 |title=First record of voltzialean male cone (Lutanthus) and podocarpacean female cone (Rissikistrobus) from the Late Triassic of Argentina, including new plant remains from the Paso Flores Formation |journal=Ameghiniana |volume=54 |issue=2 |pages=224–246 |doi=10.5710/AMGH.18.10.2016.2986 |s2cid=131879609 |hdl=11336/63825 |hdl-access=free }}{{Cite journal|author1=Silvia C. Gnaedinger |author2=Ana M. Zavattieri |year=2017 |title=A new name for Baiera taeniata Geinitz, Ginkgo taeniata (Geinitz) Frenguelli, and Sphenobaiera taeniata (Geinitz) Morel, Ganuza and Zúñiga |journal=Ameghiniana |volume=54 |issue=2 |pages=252–254 |doi=10.5710/AMGH.18.10.2016.3058 |s2cid=89163072 |hdl=11336/56240 |hdl-access=free }}

Nom. nov

Valid

Gnaedinger & Zavattieri

Late Triassic

Paso Flores Formation

A replacement name for Baiera taeniata Geinitz (1876) (preoccupied).

Ginkgo hamiensis{{Cite journal|author1=Zixi Wang |author2=Fankai Sun |author3=Peihong Jin |author4=Yingquan Chen |author5=Jingwei Chen |author6=Peng Deng |author7=Guolin Yang |author8=Bainian Sun |year=2017 |title=A New Species of Ginkgo with Male Cones and Pollen Grains in situ from the Middle Jurassic of Eastern Xinjiang, China |journal=Acta Geologica Sinica (English Edition) |volume=91 |issue=1 |pages=9–21 |url=http://www.geojournals.cn/dzxben/ch/reader/view_abstract.aspx?file_no=201701004&flag=1 |doi=10.1111/1755-6724.13060 |s2cid=133030173 |url-access=subscription }}

Sp. nov

Valid

Wang & Sun in Wang et al.

Middle Jurassic

Xishanyao Formation

A species of Ginkgo.

Ginkgo neimengensis{{Cite journal|author1=Xiao-Hui Xu |author2=Liu-Yin Yang |author3=Bai-Nian Sun |author4=Yong-Dong Wang |author5=Ping Chen |year=2017 |title=A new Early Cretaceous Ginkgo ovulate organ with associated leaves from Inner Mongolia, China and its evolutionary significance |journal=Review of Palaeobotany and Palynology |volume=244 |pages=163–181 |doi=10.1016/j.revpalbo.2017.05.007 |bibcode=2017RPaPa.244..163X }}

Sp. nov

Valid

Xu et al.

Huolinhe Formation

A species of Ginkgo.

Nagrenia leviana{{Cite journal|author=Natalya Nosova |year=2017 |title=New findings of the female reproductive structures of Nagrenia Nosova (Ginkgoales) and the seeds of Ginkgo gomolitzkyana Nosova from the Middle Jurassic of Angren, Uzbekistan |journal=Review of Palaeobotany and Palynology |volume=239 |pages=1–13 |doi=10.1016/j.revpalbo.2016.11.017 |bibcode=2017RPaPa.239....1N }}

Sp. nov

Valid

Nosova

Middle Jurassic

Angren Formation

A member of Ginkgoales.

Nagrenia pilosa

Sp. nov

Valid

Nosova

Middle Jurassic

Angren Formation

A member of Ginkgoales.

Pseudotorellia crista{{Cite journal|author1=Junji Horiuchi |author2=Kazuhiko Uemura |year=2017 |title=Paleocene occurrence of Pseudotorellia Florin (Ginkgoales) from Northeast Japan and the Meso–Cenozoic history of Pseudotorellia and Torellia |journal=Review of Palaeobotany and Palynology |volume=246 |pages=146–160 |doi=10.1016/j.revpalbo.2017.05.011 |bibcode=2017RPaPa.246..146H }}

Sp. nov

Valid

Horiuchi & Uemura

Paleocene

Minato Formation

A member of Ginkgoales, described on the basis of leaves.

Pseudotorellia kimurae

Sp. nov

Valid

Horiuchi & Uemura

Paleocene

Minato Formation

A member of Ginkgoales, described on the basis of leaves.

Sphenobaiera eximia{{Cite journal|author1=Yuling Na |author2=Chunlin Sun |author3=Hongshan Wang |author4=David L. Dilcher |author5=Yunfeng Li |author6=Tao Li |year=2017 |title=A brief introduction to the Middle Jurassic Daohugou Flora from Inner Mongolia, China |journal=Review of Palaeobotany and Palynology |volume=247 |pages=53–67 |doi=10.1016/j.revpalbo.2017.08.003 |bibcode=2017RPaPa.247...53N |s2cid=134673649 }}

Sp. nov

Valid

Na, Sun & Wang in Na et al.

Daohugou Beds

Cycads

class="wikitable sortable" align="center" width="100%"

Name

! Novelty

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Eobowenia{{Cite journal|author1=Mario Coiro |author2=Christian Pott |year=2017 |title=Eobowenia gen. nov. from the Early Cretaceous of Patagonia: indication for an early divergence of Bowenia? |journal=BMC Evolutionary Biology |volume=17 |issue=1 |pages=97 |doi=10.1186/s12862-017-0943-x |pmid=28388891 |pmc=5383990 |doi-access=free }}

Gen. et comb. nov

Valid

Coiro & Pott

Early Cretaceous (Aptian)

Anfiteatro de Ticó Formation

A cycad belonging to the family Zamiaceae and the subfamily Bowenioideae; a new genus for "Almargemia" incrassata Archangelsky (1966).

Oxfordiana{{Cite journal|author1=Alan R.T. Spencer |author2=Russell J. Garwood |author3=Andrew R. Rees |author4=Robert J. Raine |author5=Gar W. Rothwell |author6=Neville T.J. Hollingworth |author7=Jason Hilton |year=2017 |title=New insights into Mesozoic cycad evolution: an exploration of anatomically preserved Cycadaceae seeds from the Jurassic Oxford Clay biota |journal=PeerJ |volume=5 |pages=e3723 |doi=10.7717/peerj.3723 |pmid=28875075 |pmc=5578371 |doi-access=free }}

Gen. et sp. nov

Valid

Spencer & Hilton in Spencer et al.

Jurassic (latest Callovian to earliest Oxfordian)

Oxford Clay Formation

A cycad. Genus includes new species O. motturii.

Zamuneria{{Cite journal|author1=L.C.A. Martínez |author2=A. Iglesias |author3=A.E. Artabe |author4=A.N. Varela |author5=S. Apesteguía |year=2017 |title=A new Encephalarteae trunk (Cycadales) from the Cretaceous of Patagonia (Mata Amarilla Formation, Austral Basin), Argentina |journal=Cretaceous Research |volume=72 |pages=81–94 |doi=10.1016/j.cretres.2016.12.008 |bibcode=2017CrRes..72...81M |url=https://zenodo.org/record/848798 }}

Gen. et sp. nov

Valid

Martínez et al.

Late Cretaceous

Mata Amarilla Formation

A cycad belonging to the family Zamiaceae. Genus includes new species Z. amyla.

Conifers

class="wikitable sortable" align="center" width="100%"

Name

! Novelty

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Cathaya vanderburghii{{Cite journal|author1=Heinrich Winterscheid |author2=Rolf Gossmann |year=2017 |title=Validation of Cathaya vanderburghii (Pinaceae) from European Neogene |journal=Phytotaxa |volume=302 |issue=2 |pages=188–192 |doi=10.11646/phytotaxa.302.2.9 }}

Sp. nov

Valid

Gossmann ex Winterscheid & Gossmann

Pliocene

A species of Cathaya.

Cupressinocladus guyangensis{{Cite journal|author1=Peihong Jin |author2=Teng Mao |author3=Junling Dong |author4=Zixi Wang |author5=Mingxuan Sun |author6=Xiaohui Xu |author7=Baoxia Du |author8=Bainian Sun |year=2017 |title=A new species of Cupressinocladus from the Lower Cretaceous of Guyang Basin, Inner Mongolia, China and cluster analysis |journal=Acta Geologica Sinica (English Edition) |volume=91 |issue=4 |pages=1200–1214 |url=http://www.geojournals.cn/dzxben/ch/reader/view_abstract.aspx?file_no=2017endzxb04004&flag=1 |doi=10.1111/1755-6724.13355 |s2cid=133840278 |url-access=subscription }}

Sp. nov

Valid

Jin & B.N. Sun in Jin et al.

Antarctica
(James Ross Island)

Guyang Formation

A member of Cupressaceae sensu lato.

Cupressinoxylon artabeae{{Cite journal|author1=Daniela P. Ruiz |author2=Mariana Brea |author3=M. Sol Raigemborn |author4=Sergio D. Matheos |year=2017 |title=Conifer woods from the Salamanca Formation (early Paleocene), Central Patagonia, Argentina: Paleoenvironmental implications |journal=Journal of South American Earth Sciences |volume=76 |pages=427–445 |doi=10.1016/j.jsames.2017.04.006 |bibcode=2017JSAES..76..427R |hdl=11336/41178 |hdl-access=free }}

Sp. nov

Valid

Ruiz et al.

Paleocene (Danian)

Salamanca Formation

A member of Cupressaceae described on the basis of fossil wood.

Cupressinoxylon rotundum{{Cite journal|author1=R.R. Pujana |author2=M.E. Raffi |author3=E.B. Olivero |year=2017 |title=Conifer fossil woods from the Santa Marta Formation (Upper Cretaceous), Brandy Bay, James Ross Island, Antarctica |journal=Cretaceous Research |volume=77 |pages=28–38 |doi=10.1016/j.cretres.2017.04.016 |bibcode=2017CrRes..77...28P }}

Sp. nov

Valid

Pujana in Pujana, Raffi & Olivero

Late Cretaceous

Santa Marta Formation

Elatocladus heerianus{{cite journal |author1=N. V. Nosova |author2=A. I. Kiritchkova |author3=E. I. Kostina |year=2017 |title=Leafy shoots and pollen cones of conifers from the Middle Jurassic deposits of the Irkutsk Coal Basin |journal=Paleobotanika |volume=8 |pages=5–27 |url=https://www.researchgate.net/publication/322339536 |doi=10.31111/palaeobotany/2017.8.5 }}

Sp. nov

Valid

Nosova & Kiritchkova in Nosova, Kiritchkova & Kostina

Middle Jurassic (Aalenian-Bajocian)

Prisayan Formation

A conifer.

Krassilovidendron{{Cite journal|author1=Alexandra Sokolova |author2=Natalia Gordenko |author3=Natalia Zavialova |year=2017 |title=The most ancient member of the Sequoioideae – The new genus Krassilovidendron Sokolova, Gordenko et Zavialova (Cupressaceae s.l.) from the Albian–Cenomanian of Western Siberia (Russia) |journal=Cretaceous Research |volume=77 |pages=1–27 |doi=10.1016/j.cretres.2017.04.014 |bibcode=2017CrRes..77....1S }}

Gen. et sp. nov

Valid

Sokolova, Gordenko & Zavialova

Cretaceous (Albian–Cenomanian)

{{Flag|Russia}}
({{Flag|Kemerovo Oblast}})

A member of Sequoioideae. Genus includes new species K. fecundum.

Medulloprotaxodioxylon{{Cite journal|author1=Mingli Wan |author2=Wan Yang |author3=Peng Tang |author4=Lujun Liu |author5=Jun Wang |year=2017 |title=Medulloprotaxodioxylon triassicum gen. et sp. nov., a taxodiaceous conifer wood from the Norian (Triassic) of northern Bogda Mountains, northwestern China |journal=Review of Palaeobotany and Palynology |volume=241 |pages=70–84 |doi=10.1016/j.revpalbo.2017.02.009 |bibcode=2017RPaPa.241...70W }}

Gen. et sp. nov

Valid

Wan et al.

Late Triassic (Norian)

Huangshanjie Formation

A conifer described on the basis of fossil wood, possibly an ancestral form of the Sequoioideae. Genus includes new species M. triassicum.

Pararaucaria taquetrensis{{Cite journal|author1=Ignacio Escapa |author2=Andrew Leslie |year=2017 |title=A new Cheirolepidiaceae (Coniferales) from the Early Jurassic of Patagonia (Argentina): Reconciling the records of impression and permineralized fossils |journal=American Journal of Botany |volume=104 |issue=2 |pages=322–334 |doi=10.3732/ajb.1600321 |pmid=28213347 |doi-access=free |hdl=11336/40738 |hdl-access=free }}

Sp. nov

Valid

Escapa & Leslie

Early Jurassic

A member of Cheirolepidiaceae.

Pentakonos{{Cite journal|author1=Fabiany Herrera |author2=Gongle Shi |author3=Patrick Knopf |author4=Andrew B. Leslie |author5=Niiden Ichinnorov |author6=Masamichi Takahashi |author7=Peter R. Crane |author8=Patrick S. Herendeen |year=2017 |title=Cupressaceae Conifers from the Early Cretaceous of Mongolia |journal=International Journal of Plant Sciences |volume=178 |issue=1 |pages=19–41 |doi=10.1086/689577 |s2cid=88563588 }}

Gen. et sp. nov

Valid

Herrera et al.

Early Cretaceous (Aptian-Albian)

A member of Cupressaceae. Genus includes new species P. diminutus.

Pinus arunachalensis{{Cite journal|author1=Mahasin Ali Khan |author2=Subir Bera |year=2017 |title=First discovery of fossil winged seeds of Pinus L. (family Pinaceae) from the Indian Cenozoic and its palaeobiogeographic significance |journal=Journal of Earth System Science |volume=126 |issue=5 |pages=63 |doi=10.1007/s12040-017-0846-7 |bibcode=2017JESS..126...63K |doi-access=free }}

Sp. nov

Junior homonym

Khan & Bera

Miocene

Dafla Formation

A pine. The name P. arunachalensis turned out to be preoccupied by Pinus arunachalensis Srivastava (2017); Khan & Bera (2018) coined a replacement name Pinus daflaensis.{{Cite journal|author1=Mahasin Ali Khan |author2=Subir Bera |year=2018 |title=Pinus daflaensis (Pinaceae), a replacement name for P. arunachalensis Khan & Bera |journal=Phytotaxa |volume=334 |issue=2 |pages=200 |doi=10.11646/phytotaxa.334.2.9 }}

Pinus nanfengensis{{Cite journal|author1=Hao-Bo Wang |author2=Alexei A. Oskolski |author3=Frédéric M.B. Jacques |author4=Yue-Hua Wang |author5=Zhe-Kun Zhou |year=2017 |title=Lignified woods of Pinus (Pinaceae) from the late Miocene of central Yunnan, China, and their biogeographic and paleoclimatic implications |journal=Palaeoworld |volume=26 |issue=3 |pages=553–565 |doi=10.1016/j.palwor.2016.06.003 }}

Sp. nov

Valid

Wang et al.

Late Miocene

Xianfeng Basin

A pine.

Pinus uniseriata

Sp. nov

Valid

Wang et al.

Late Miocene

Xianfeng Basin

A pine.

Pityostrobus pluriresinosa{{Cite journal|author1=Selena Y. Smith |author2=Ruth A. Stockey |author3=Gar W. Rothwell |author4=Stefan A. Little |year=2017 |title=A new species of Pityostrobus (Pinaceae) from the Cretaceous of California: moving towards understanding the Cretaceous radiation of Pinaceae |journal=Journal of Systematic Palaeontology |volume=15 |issue=1 |pages=69–81 |doi=10.1080/14772019.2016.1143885 |s2cid=88292891 }}

Sp. nov

Valid

Smith et al.

Early Cretaceous

{{Flag|United States}}
({{Flag|California}})

A member of Pinaceae, a species of Pityostrobus.

Platycladus tengchongensis{{Cite journal|author1=Peng Deng |author2=Junling Dong |author3=Zixi Wang |author4=Xuelian Wang |author5=Guolin Yang |author6=Yuli He |author7=Yifan Hua |author8=Bainian Sun |year=2017 |title=Cuticular microstructure of Platycladus tengchongensis sp.nov.from the Pliocene of Tengchong, Yunnan, and reconstruction of paleoatmospheric CO₂ |journal=Earth Science Frontiers |volume=24 |issue=1 |pages=65–77 |doi=10.13745/j.esf.2017.01.005 }}

Sp. nov

Valid

Deng & Sun in Deng et al.

Late Pliocene

Mangbang Formation

A species of Platycladus.

Podocarpoxylon multiparenchymatosum{{Cite journal|author1=Roberto R. Pujana |author2=Daniela P. Ruiz |year=2017 |title=Podocarpoxylon Gothan reviewed in the light of a new species from the Eocene of Patagonia |journal=IAWA Journal |volume=38 |issue=2 |pages=220–244 |doi=10.1163/22941932-20170169 |hdl=11336/48473 |hdl-access=free }}

Sp. nov

Valid

Pujana & Ruiz

Paleocene (Danian)-Eocene

Río Turbio Formation

Salamanca Formation

A member of the family Podocarpaceae described on the basis of fossil wood.

Podocarpoxylon prumnopityoides{{Cite journal|author1=Silvia Gnaedinger |author2=Rodolfo A. Coria |author3=Eva Koppelhus |author4=Silvio Casadío |author5=Maisa Tunik |author6=Philip Currie |year=2017 |title=First Lower Cretaceous record of Podocarpaceae wood associated with dinosaur remains from Patagonia, Neuquén Province, Argentina |journal=Cretaceous Research |volume=78 |pages=228–239 |doi=10.1016/j.cretres.2017.06.014 |bibcode=2017CrRes..78..228G |url=https://rid.unrn.edu.ar/jspui/handle/20.500.12049/5349 |hdl=11336/30408 |hdl-access=free }}

Sp. nov

Valid

Gnaedinger et al.

Early Cretaceous (Valanginian)

Mulichinco Formation

A member of the family Podocarpaceae described on the basis of fossil wood.

Podozamites doludenkoae{{Cite journal|author1=Natalya Nosova |author2=Johanna H.A. van Konijnenburg-van Cittert |author3=Anna Kiritchkova |year=2017 |title=New data on the epidermal structure of the leaves of Podozamites Braun |journal=Review of Palaeobotany and Palynology |volume=238 |pages=88–104 |doi=10.1016/j.revpalbo.2016.11.005 |bibcode=2017RPaPa.238...88N }}

Sp. nov

Valid

Nosova, van Konijnenburg-van Cittert & Kiritchkova

Early and Middle Jurassic (Toarcian-Bajocian)

Karadiirmen' Formation

Kokala Formation

A conifer belonging to the family Podozamitaceae, described on the basis of leaves.

Podozamites irkutensis

Sp. nov

Valid

Nosova, van Konijnenburg-van Cittert & Kiritchkova

Middle Jurassic (Aalenian-Bajocian)

Prisayan Formation

A conifer belonging to the family Podozamitaceae, described on the basis of leaves.

Retrophyllum spiralifolium{{Cite journal|author1=Peter Wilf |author2=Michael P. Donovan |author3=N. Rubén Cúneo |author4=María A. Gandolfo |year=2017 |title=The fossil flip-leaves (Retrophyllum, Podocarpaceae) of southern South America |journal=American Journal of Botany |volume=104 |issue=9 |pages=1344–1369 |doi=10.3732/ajb.1700158 |pmid=29885237 |doi-access=free |hdl=11336/75287 |hdl-access=free }}

Sp. nov

Valid

Wilf in Wilf et al.

Eocene

La Huitrera Formation

A species of Retrophyllum.

Retrophyllum superstes

Sp. nov

Valid

Wilf in Wilf et al.

Late Cretaceous (Maastrichtian)

Lefipán Formation

A species of Retrophyllum.

Scarburgia baiyanghensis{{Cite journal|author1=Tao Yang |author2=Li-ying Yi |author3=Jing-wen E |author4=Xiao-rong Guo |year=2017 |title=A new species of Scarburgia from Middle Jurassic of Junggar Basin, Xinjiang, China |journal=Global Geology |volume=36 |issue=2 |pages=327–332 |doi=10.3969/j.issn.1004-5589.2017.02.001 |url=http://sjdz.jlu.edu.cn/EN/abstract/abstract9274.shtml }}

Sp. nov

Valid

Yang et al.

Xishanyao Formation

Possibly a member of Podocarpaceae.

Storgaardia gansuensis{{Cite journal|author1=Qi-Jia Li |author2=Peng-Cheng An |author3=Jun Li |author4=Zhen-Rui Zhao |author5=Jing-Yu Wu |author6=Yong-Dong Wang |author7=Yu-Ting Zhu |author8=Su-Ting Ding |year=2017 |title=Cuticular structure of Storgaardia Harris from the Middle Jurassic of Northwest China and its systematic and biogeographical significances |journal=Palaeoworld |volume=26 |issue=1 |pages=149–158 |doi=10.1016/j.palwor.2016.04.005 |s2cid=130503476 }}

Sp. nov

Valid

Li & Wu in Li et al.

Middle Jurassic (Aalenian-Bajocian)

Yan'an Formation

A member of Coniferales, a species of Storgaardia.

Stutzeliastrobus

Gen. et sp. nov

Valid

Herrera et al.

Cretaceous (Aptian-Cenomanian)

A member of Cupressaceae. Genus includes new species S. foliatus, as well as "Cyparissidium" bohemicum Bayer (1914).{{Cite journal|author1=Jiří Kvaček |author2=Zuzana Heřmanová |author3=Jana Bruthansová |author4=Jakub Karch |author5=Jan Žemlička |author6=Jan Dudák |year=2018 |title=Stutzeliastrobus bohemicus comb. nov. – basal Cupressaceae conifer from the Cenomanian of the Bohemian Cretaceous Basin, Central Europe |journal=Fossil Imprint |volume=74 |issue=1–2 |pages=179–188 |url=http://fi.nm.cz/wp-content/uploads/2018/08/13_Kvacek_179-188.pdf |doi=10.1515/if-2017-0013 |s2cid=172092721 }}

Other seed plants

class="wikitable sortable" align="center" width="100%"

Name

! Novelty

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Adiantites tevelevii{{Cite journal|author1=Olga A. Orlova |author2=Ksenia G. Pustovoit |author3=Ekaterina V. Anikeeva |year=2017 |title=Pteridosperms from the Lower Carboniferous of South Urals, Russia |journal=Plant Systematics and Evolution |volume=303 |issue=7 |pages=945–955 |doi=10.1007/s00606-017-1421-z |s2cid=20801309 }}

Sp. nov

Valid

Orlova, Pustovoit & Anikeeva

A seed fern.

Allicospermum papillosum{{Cite journal|author1=Natalya Nosova |author2=Aleksej Vladimirovič Hvalj |year=2017 |title=New findings of the seeds Allicospermum Harris (gymnosperms) from the Middle Jurassic of Angren, Uzbekistan |journal=Review of Palaeobotany and Palynology |volume=247 |pages=26–39 |doi=10.1016/j.revpalbo.2017.08.001 |bibcode=2017RPaPa.247...26N }}

Sp. nov

Valid

Nosova & Hvalj

A gymnosperm seed, possibly of ginkgoalean affinity.

Allicospermum uzbekistanicum

Sp. nov

Valid

Nosova & Hvalj

A gymnosperm seed.

Allicospermum valentinae

Sp. nov

Valid

Nosova & Hvalj

A gymnosperm seed, possibly of ginkgoalean affinity.

Caytonanthus rewaensis{{Cite journal|author1=Neeru Prakash |author2=Neelam Das |year=2017 |title=First record of microsporophyll genus Caytonanthus Thomas from Early Cretaceous beds of South Rewa Gondwana Basin, India: Its evolutionary and palaeogeographical significance |journal=Island Arc |volume=26 |issue=1 |pages=e12163 |doi=10.1111/iar.12163 |doi-access=free }}

Sp. nov

Valid

Prakash & Das

Early Cretaceous

Bansa Formation

A seed fern belonging to the family Caytoniaceae.

Dicroidium bandelii{{Cite journal|author1=A. Abu Hamad |author2=P. Blomenkemper |author3=H. Kerp |author4=B. Bomfleur |year=2017 |title=Dicroidium bandelii sp. nov. (corystospermalean foliage) from the Permian of Jordan |journal=PalZ |volume=91 |issue=4 |pages=641–648 |doi=10.1007/s12542-017-0384-2 |s2cid=90520943 }}

Sp. nov

Valid

Abu Hamad et al.

Permian

Umm Irna Formation

A seed fern. Originally described as a species of Dicroidium, but subsequently transferred to the genus Jordaniopteris.{{cite journal |author1=Heidi M. Anderson |author2=Maria Barbacka |author3=Marion K. Bamford |author4=W. B. Keith Holmes |author5=John M. Anderson |year=2019 |title=Dicroidium (foliage) and affiliated wood Part 3 of a reassessment of Gondwana Triassic plant genera and a reclassification of some previously attributed |journal=Alcheringa: An Australasian Journal of Palaeontology |volume=44 |issue=1 |pages=64–92 |doi=10.1080/03115518.2019.1622779 |s2cid=199109037 }}

Ductoagathoxylon{{Cite journal|author1=Mingli Wan |author2=Wan Yang |author3=Lujun Liu |author4=Jun Wang |year=2017 |title=Ductoagathoxylon jimsarensis gen. nov. et sp. nov., a gymnospermous stem from the Wuchiapingian (upper Permian) Wutonggou Formation in the Junggar Basin, northern Bogda Mountains, northwestern China |journal=Review of Palaeobotany and Palynology |volume=241 |pages=13–25 |doi=10.1016/j.revpalbo.2017.02.004 |bibcode=2017RPaPa.241...13W }}

Gen. et sp. nov

Valid

Wan et al.

Permian (Wuchiapingian)

Wutonggou Formation

A conifer described on the basis of fossilized wood. Genus includes new species D. jimsarensis.

Ephedra canterata{{Cite journal|author1=Gabriela G. Puebla |author2=Ari Iglesias |author3=María A. Gómez |author4=Mercedes B. Prámparo |year=2017 |title=Fossil record of Ephedra in the Lower Cretaceous (Aptian), Argentina |journal=Journal of Plant Research |volume=130 |issue=6 |pages=975–988 |doi=10.1007/s10265-017-0953-1 |pmid=28528483 |hdl=11336/59894 |s2cid=23766815 |hdl-access=free }}

Sp. nov

Valid

Puebla et al.

Early Cretaceous (Aptian)

La Cantera Formation

A species of Ephedra.

Gigantopteridium utebaturianum{{Cite journal|author1=Rebecca A. Koll |author2=William A. DiMichele |author3=Steven R. Manchester |year=2017 |title=Reevaluation and taxonomic clarification of Gigantopteridium and Cathaysiopteris of western equatorial Pangea and their biogeographical significance |journal=Journal of Paleontology |volume=91 |issue=5 |pages=859–870 |doi=10.1017/jpa.2017.25 |bibcode=2017JPal...91..859K |doi-access=free }}

Sp. nov

Valid

Koll, DiMichele & Manchester

Permian

Waggoner Ranch Formation

{{Flag|United States}}
({{Flag|Texas}})

A gigantopterid.

Hydropterangium roesleri{{Cite journal|author1=Johanna H.A. van Konijnenburg-van Cittert |author2=Evelyn Kustatscher |author3=Christian Pott |author4=Günter Dütsch |author5=Stefan Schmeißner |year=2017 |title=First record of the pollen-bearing reproductive organ Hydropterangium from the Rhaetian of Germany (Wüstenwelsberg, Upper Franconia) |journal=Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen |volume=284 |issue=2 |pages=139–151 |doi=10.1127/njgpa/2017/0655 }}

Sp. nov

Valid

Van Konijnenburg-van Cittert et al.

Late Triassic (Rhaetian)

Pollen organ of a plant of uncertain affinities. Originally described as a species of Hydropterangium; Shi et al. (2024) transferred it to the genus Harrisiothecium.{{Cite journal|author1=Gongle Shi |author2=Else Marie Friis |author3=Kaj Raunsgaard Pedersen |author4=Qiang Fu |author5=Peter R. Crane |year=2024 |title=A new Harrisiothecium pollen organ from the Upper Triassic of South Central China |journal=Review of Palaeobotany and Palynology |at=105079 |doi=10.1016/j.revpalbo.2024.105079 }}

Kizelopteris{{Cite journal|author=Serge V. Naugolnykh |year=2017 |title=Kizelopteris, a new genus of climbing pteridosperms from the Lower Carboniferous of the Urals, Russia |journal=Wulfenia |volume=24 |pages=241–254 |url=https://www.researchgate.net/publication/321919785 }}

Gen. et sp. nov

Valid

Naugolnykh

Kizel Coal Basin

A seed fern belonging to the family Callistophytaceae. Genus includes new species K. flexuosa .

Liaoningia{{Cite journal|author1=Yong Yang |author2=Long-Biao Lin |author3=David K. Ferguson |author4=Shou-Zhou Zhang |author5=Tao Wan |year=2017 |title=A new gnetalean macrofossil from the Early Cretaceous and its evolutionary significance |journal=Cretaceous Research |volume=74 |pages=56–64 |doi=10.1016/j.cretres.2017.02.007 |bibcode=2017CrRes..74...56Y }}

Gen. et sp. nov

Valid

Yang & Lin in Yang et al.

Early Cretaceous

Yixian Formation

A member of Gnetophyta showing intermediate morphology between the Ephedraceae, Gnetaceae and Welwitschiaceae. Genus includes new species L. decussata.

Nilssonia gristhorpensis{{Cite journal|author1=Johanna H.A. van Konijnenburg-van Cittert |author2=Christian Pott |author3=Christopher J. Cleal |author4=Gea Zijlstra |year=2017 |title=Differentiation of the fossil leaves assigned to Taeniopteris, Nilssoniopteris and Nilssonia with a comparison to similar genera |journal=Review of Palaeobotany and Palynology |volume=237 |pages=100–106 |doi=10.1016/j.revpalbo.2016.11.009 |bibcode=2017RPaPa.237..100V }}

Sp. nov

Valid

Van Konijnenburg-van Cittert et al.

Middle Jurassic (Bajocian)

Cloughton Formation

Nubilora{{cite book |author =Xin Wang |title=The Dawn Angiosperms |chapter=Fossil Plants Possibly Related to Angiosperms |editor=Xin Wang |publisher=Springer |pages=259–291 |isbn=978-3-319-58324-2 |doi=10.1007/978-3-319-58325-9_7 |series=Springer Geology |date=2018 }}

Gen. et sp. nov

In press

Wang

Late Triassic (Norian or Rhaetian)

Ganhaizi Formation

A possible relative of the flowering plants. Genus includes new species N. triassica.

Partitisporites krassilovii

Sp. nov

Valid

Schrank

Early Cretaceous (Albian)

A gymnosperm described on the basis of fossil pollen.

Patokaea{{Cite journal|author1=Grzegorz Pacyna |author2=Maria Barbacka |author3=Danuta Zdebska |author4=Jadwiga Ziaja |author5=Anna Fijałkowska-Mader |author6=Károly Bóka |author7=Tomasz Sulej |year=2017 |title=A new conifer from the Upper Triassic of Southern Poland linking the advanced voltzialean type of ovuliferous scale with Brachyphyllum/Pagiophyllum-like leaves |journal=Review of Palaeobotany and Palynology |volume=245 |pages=28–54 |doi=10.1016/j.revpalbo.2017.05.015 |bibcode=2017RPaPa.245...28P }}

Gen. et sp. nov

Valid

Pacyna, Barbacka & Zdebska in Pacyna et al.

Late Triassic (Norian)

Grabowa Formation

A member of Voltziales belonging to the new family Patokaeaceae. Genus includes new species P. silesiaca.

Protognetum{{Cite journal|author1=Yong Yang |author2=Lei Xie |author3=David K. Ferguson |year=2017 |title=Protognetaceae: A new gnetoid macrofossil family from the Jurassic of northeastern China |journal=Perspectives in Plant Ecology, Evolution and Systematics |volume=28 |pages=67–77 |doi=10.1016/j.ppees.2017.08.001 }}

Gen. et sp. nov

Valid

Yang, Xie & Ferguson

A member of Gnetales. Genus includes new species P. jurassicum.

Scytophyllum karamayense{{Cite journal|author1=Xuezhi He |author2=Tianming Shi |author3=Mingli Wan |author4=Shijun Wang |author5=Jason Hilton |author6=Peng Tang |author7=Jun Wang |year=2017 |title=Peltaspermalean seed ferns with preserved cuticle from the Upper Triassic Karamay Formation in the Junggar Basin, northwestern China |journal=Review of Palaeobotany and Palynology |volume=247 |pages=68–82 |doi=10.1016/j.revpalbo.2017.08.002 |bibcode=2017RPaPa.247...68H |url=http://pure-oai.bham.ac.uk/ws/files/43290373/He_et_al_Peltaspermalean_seed_Review_of_Palaeobotany_and_Palynology_2017.pdf }}

Sp. nov

Valid

He et al.

Late Triassic

Karamay Formation

A peltaspermalean seed fern.

Sphenarion angustae{{Cite journal|author1=Wei Huang |author2=David L. Dilcher |author3=Hongshan Wang |author4=Yu-Ling Na |author5=Yun-Feng Li |author6=Tao Li |author7=Chun-Lin Sun |year=2017 |title=First record of Sphenarion (Czekanowskiales) with epidermal structures from the Middle Jurassic of Inner Mongolia, China |journal=Palaeoworld |volume=26 |issue=3 |pages=510–518 |doi=10.1016/j.palwor.2016.05.005 }}

Sp. nov

Valid

Huang et al.

Middle Jurassic

Jiulongshan Formation

A member of Czekanowskiales, a species of Sphenarion.

Tatarina? furcata{{Cite journal|author1=A.V. Gomankov |author2=M.K. Kiuntzel |author3=S.V. Meyen |year=2017 |title=Новые данные о растительных остатках из верхней перми и нижнего триаса Русской платформы |journal=Lethaea Rossica |volume=14 |pages=28–63 |url=http://paleobot.ru/pdf/02_2017_14.pdf }}

Sp. nov

Valid

Gomankov in Gomankov, Kiuntzel & Meyen

Late Permian

A seed fern belonging to the family Peltaspermaceae.

Tatarina raristomata

Sp. nov

Valid

Gomankov in Gomankov, Kiuntzel & Meyen

Late Permian

A seed fern belonging to the family Peltaspermaceae.

Turpanopitys{{Cite journal|author1=Xiao Shi |author2=Jianxin Yu |author3=Jean Broutin |author4=Denise Pons |author5=Camille Rossignol |author6=Sylvie Bourquin |author7=Sylvie Crasquin |author8=Qiang Li |author9=Wenchao Shu |year=2017 |title=Turpanopitys taoshuyuanense gen. et sp. nov., a novel woody branch discovered in Early Triassic deposits of the Turpan Basin, Northwest China, and its palaeoecological and palaeoclimate implications |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |volume=468 |pages=314–326 |doi=10.1016/j.palaeo.2016.12.026 |bibcode=2017PPP...468..314S |url=https://hal.archives-ouvertes.fr/hal-01422305/file/ShiX_2017.pdf }}

Gen. et sp. nov

Valid

Shi et al.

Early Triassic

Turpan Basin

A member of Coniferophyta of uncertain phylogenetic placement. Genus includes new species T. taoshuyuanense.

Umaltolepis mongoliensis{{Cite journal|author1=Fabiany Herrera |author2=Gongle Shi |author3=Niiden Ichinnorov |author4=Masamichi Takahashi |author5=Eugenia V. Bugdaeva |author6=Patrick S. Herendeen |author7=Peter R. Crane |year=2017 |title=The presumed ginkgophyte Umaltolepis has seed-bearing structures resembling those of Peltaspermales and Umkomasiales |journal=Proceedings of the National Academy of Sciences of the United States of America |volume=114 |issue=12 |pages=E2385–E2391 |doi=10.1073/pnas.1621409114 |pmid=28265050 |pmc=5373332 |bibcode=2017PNAS..114E2385H |doi-access=free }}

Sp. nov

Valid

Herrera et al.

Early Cretaceous (Aptian–Albian)

Tevshiin Govi Formation

A member of Vladimariales (a group of seed plants of uncertain phylogenetic placement).

Yangquanoxylon{{Cite journal|author1=Mingli Wan |author2=Wan Yang |author3=Xuezhi He |author4=Weiming Zhou |author5=Lujun Liu |author6=Jun Wang |year=2017 |title=Yangquanoxylon miscellum gen. nov. et sp. nov., a gymnospermous wood from the Upper Pennsylvanian–lower Permian Taiyuan Formation of Yangquan City, Shanxi Province, with reference to the palaeoclimate in North China |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |volume=479 |pages=115–125 |doi=10.1016/j.palaeo.2017.04.022 |bibcode=2017PPP...479..115W }}

Gen. et sp. nov

Valid

Wan et al.

Carboniferous (Pennsylvanian)-early Permian

Taiyuan Formation

A gymnosperm described on the basis of fossil wood. Genus includes new species Y. miscellum.

Other plants

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Name

! Novelty

! Status

! Authors

! Age

! type locality

! Location

! Notes

! Images

Ahnetia{{Cite journal|author=Anne-Laure Decombeix |author2=Jean Galtier |year=2017 |title=Ahnetia, a new lignophyte stem from the Lower Carboniferous of southern Algeria |journal=Review of Palaeobotany and Palynology |volume=237 |pages=62–74 |doi=10.1016/j.revpalbo.2016.11.003 |bibcode=2017RPaPa.237...62D |url=https://hal-sde.archives-ouvertes.fr/hal-01481933 }}

Gen. et sp. nov

Valid

Decombeix & Galtier

Carboniferous (late Tournaisian)

Genus includes new species A. conradii

Baragwanathia brevifolia{{Cite journal|author1=Petr Kraft |author2=Zlatko Kvaček |year=2017 |title=Where the lycophytes come from? – A piece of the story from the Silurian of peri-Gondwana |journal=Gondwana Research |volume=45 |pages=180–190 |doi=10.1016/j.gr.2017.02.001 |bibcode=2017GondR..45..180K }}

Sp. nov

Junior homonym

Kraft & Kvaček

Late Silurian

Požáry Formation

An aquatic precursor of dry land lycophytes. The name is preoccupied by Baragwanathia brevifolia Hundt (1952); Kraft & Kvaček (2021) coined a replacement name Baragwanathia brevifolioides.{{Cite journal|author1=Petr Kraft |author2=Zlatko Kvaček |year=2021 |title=Baragwanathia brevifolioides, a nomen novum for B. brevifolia P.Kraft et Kvaček, 2017 |journal=Fossil Imprint |volume=77 |issue=1 |pages=53–54 |doi=10.37520/fi.2021.006 |s2cid=245034157 |url=http://fi.nm.cz/en/clanek/baragwanathia-brevifolioides-a-nomen-novum-for-b-brevifolia-p-kraft-et-kvacek-2017-2/ |doi-access=free }}

Barattoloporellopsis{{Cite journal|author1=Bruno R. C. Granier |author2=Ana C. Azerêdo |author3=Miguel M. Ramalho |year=2017 |title=Taxonomic revision of Cylindroporella ? lusitanica Ramalho, 1970: In search for the origins of the Family Dasycladaceae |journal=Island Arc |volume=26 |issue=3 |pages=e12176 |doi=10.1111/iar.12176 |s2cid=131955673 }}

Gen. et comb. nov

Valid

Granier, Azerêdo & Ramalho

Late Jurassic (Oxfordian)

A green alga, probably a primitive member of the family Dasycladaceae; a new genus for "Cylindroporella" lusitanica Ramalho (1970).

Dorsalistachya{{Cite journal|author1=Shi-Jun Wang |author2=Richard M. Bateman |author3=Alan R. T. Spencer |author4=Jun Wang |author5=Longyi Shao |author6=Jason Hilton |year=2017 |title=Anatomically preserved "strobili" and leaves from the Permian of China (Dorsalistachyaceae, fam. nov.) broaden knowledge of Noeggerathiales and constrain their possible taxonomic affinities |journal=American Journal of Botany |volume=104 |issue=1 |pages=127–149 |doi=10.3732/ajb.1600371 |pmid=28062406 |doi-access=free |hdl=10044/1/53470 |hdl-access=free }}

Gen. et sp. nov

Valid

Wang & Spencer in Wang et al.

Permian (Wuchiapingian–Changhsingian)

Xuanwei Formation

A member of Noeggerathiales. Genus includes new species D. quadrisegmentorum

Douaphyton{{Cite journal|author1=Hong-He Xu |author2=Yao Wang |author3=Peng Tang |author4=Yi Wang |year=2017 |title=A new diminutive euphyllophyte from the Middle Devonian of West Junggar, Xinjiang, China and its evolutionary implications |journal=Alcheringa: An Australasian Journal of Palaeontology |volume=41 |issue=4 |pages=524–531 |doi=10.1080/03115518.2017.1321685 |bibcode=2017Alch...41..524X |s2cid=134385490 }}

Gen. et sp. nov

Valid

Xu et al.

Devonian (Givetian)

Hujiersite Formation

An early euphyllophyte. Genus includes new species D. levigata

Draconisella mortoni{{Cite journal|author1=Bruno R.C. Granier |author2=Alexandre Lethiers |year=2017 |title=Draconisella mortoni sp. nov., a Mizzia-like Dasycladalean alga from the Lower Cretaceous of Oman |journal=Palaeontologia Electronica |volume=20 |issue=1 |pages=Article number 20.1.6A |url=http://palaeo-electronica.org/content/2017/1745-a-mizzia-like-alga |doi=10.26879/743 |doi-access=free }}

Sp. nov

Valid

Granier in Granier & Lethiers

Early Cretaceous (Hauterivian or Barremian)

A green alga belonging to the group Dasycladales and the family Triploporellaceae.

Enigmodiscus

Gen. et sp. nov

Valid

Meyen in Gomankov, Kiuntzel & Meyen

Late Permian

A plant of uncertain phylogenetic placement, described on the basis of rounded or slightly elongated discs bearing a system of dark strokes. Genus includes new species E. multistriatus.

Grododowon{{Cite journal|author1=Paul K. Strother |author2=Wilson A. Taylor |author3=John H. Beck |author4=Marco Vecoli |year=2017 |title=Ordovician spore 'thalli' and the evolution of the plant sporophyte |journal=Palynology |volume=41 |issue=Supplement 1 |pages=57–68 |doi=10.1080/01916122.2017.1361213 |bibcode=2017Paly...41S..57S |s2cid=135330891 }}

Gen. et sp. nov

Valid

Strother in Strother et al.

Ordovician

Kanosh Shale

{{Flag|United States}}
({{Flag|Utah}})

A green alga belonging to the group Charophyta. Genus includes new species G. orthogonalis.

Hastipellis

Gen. et sp. nov

Valid

Meyen in Gomankov, Kiuntzel & Meyen

Late Permian

A plant of uncertain phylogenetic placement, probably a bryophyte, described on the basis of oval or egg-shaped sheets formed by two systems of cells. Genus includes new species H. dvinensis.

Ilfeldia gregoriensis{{Cite journal|author1=Josef Pšenička |author2=Pedro Correia |author3=Zbynĕk Šimůnek |author4=Artur A. Sá |author5=J. Brendan Murphy |author6=Deolinda Flores |year=2017 |title=Revision of Ilfeldia and establishment of Ovulepteris gen. nov. from the Pennsylvanian of Europe, with a discussion on their concepts |journal=Review of Palaeobotany and Palynology |volume=236 |pages=59–73 |doi=10.1016/j.revpalbo.2016.09.001 |bibcode=2017RPaPa.236...59P }}

Sp. nov

Valid

Pšenička et al.

Carboniferous (Gzhelian)

Douro Carboniferous Basin

A plant of uncertain phylogenetic placement; may be affiliated with ferns or pteridosperms.

Lamprothamnium? barcinencis{{Cite journal|author1=Andrea De Sosa Tomas |author2=Patricia Vallati |author3=Carles Martín-Closas |year=2017 |title=Biostratigraphy and biogeography of charophytes from the Cerro Barcino Formation (upper Aptian–lower Albian), Cañadón Asfalto Basin, central Patagonia, Argentina |journal=Cretaceous Research |volume=79 |pages=1–11 |doi=10.1016/j.cretres.2017.07.004 |bibcode=2017CrRes..79....1D }}

Sp. nov

Valid

De Sosa Tomas, Vallati & Martín-Closas

Early Cretaceous (late Aptian–early Albian)

Cerro Barcino Formation

A green alga belonging to the group Charophyta.

Meantoinea{{Cite journal|author1=Alexander C. Bippus |author2=Ruth A. Stockey |author3=Gar W. Rothwell |author4=Alexandru M. F. Tomescu |year=2017 |title=Extending the fossil record of Polytrichaceae: Early Cretaceous Meantoinea alophosioides gen. et sp. nov., permineralized gametophytes with gemma cups from Vancouver Island |journal=American Journal of Botany |volume=104 |issue=4 |pages=584–597 |doi=10.3732/ajb.1700002 |pmid=28424206 |doi-access=free }}

Gen. et sp. nov

Valid

Bippus et al.

{{Flag|Canada}}
({{Flag|British Columbia}})

A moss belonging to the family Polytrichaceae. Genus includes new species M. alophosioides.

Ovulepteris

Gen. et comb. nov

Valid

Pšenička et al.

Carboniferous (Pennsylvanian)

A plant of uncertain phylogenetic placement; may be affiliated with ferns or pteridosperms. A new genus for "Ilfeldia" robusta Obrhel (1957) and "Ilfeldia" lobecensis Obrhel (1965).

Scenedesmus texanus{{Cite journal|author1=Don G. Benson Jr |author2=Merrell A. Miller |author3=Gordon D. Wood |year=2017 |title=A new Upper Jurassic species of Scenedesmus from the Bossier Formation, Texas, USA |journal=Palynology |volume=41 |issue=Supplement 1 |pages=262–270 |doi=10.1080/01916122.2017.1360632 |bibcode=2017Paly...41S.262B |s2cid=134796254 }}

Sp. nov

Valid

Benson, Miller & Wood

Late Jurassic

Bossier Formation

{{Flag|United States}}
({{Flag|Texas}})

A green alga, a species of Scenedesmus

Selliporella cornutuformis{{Cite journal|author1=Branko Sokač |author2=Tonći Grgasović |year=2017 |title=On the species of the genus Selliporella SARTONI & CRESCENTI, 1962 from the Middle Jurassic of the coastal Dinarides of Croatia |journal=Geologia Croatica |volume=70 |issue=3 |pages=115–161 |doi=10.4154/gc.2017.15 |doi-access=free }}

Sp. nov

Valid

Sokač & Grgasović