1923 in paleontology

Plants

=Conifers=

==Araucariaceae==

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Name ! Novelty ! Status ! Authors ! Age ! Type locality ! Location ! Notes ! Images
Araucarioxylon texense{{cite book \|last1=Torrey \|first1=R. E. \|year=1923 \|chapter=The comparative anatomy and phylogeny of the Coniferales Part 3: Mesozoic and Tertiary coniferous woods \|title=Proceedings and Transactions of the Royal Society of Canada \|publisher=Memoirs of the Boston Society of Natural History \|series=3 \|volume=6 (no. 2) \|pages=38–103}} \| Sp nov \| \| Torrey \| Cretaceous Comanchean \| Glen Rose Formation \| {{flag\|US}} {{flag\|Texas}} \| An araucarian wood morphospecies \| File:Araucarioxylon texense holotype transverse section Torrey 1923 Plate15 fig61.png]]

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Name

! Novelty

! Status

! Authors

! Age

! Type locality

! Location

! Notes

! Images

Araucarioxylon texense{{cite book |last1=Torrey |first1=R. E. |year=1923 |chapter=The comparative anatomy and phylogeny of the Coniferales Part 3: Mesozoic and Tertiary coniferous woods |title=Proceedings and Transactions of the Royal Society of Canada |publisher=Memoirs of the Boston Society of Natural History |series=3 |volume=6 (no. 2) |pages=38–103}}

Sp nov

Torrey

Cretaceous
Comanchean

Glen Rose Formation

An araucarian wood morphospecies

File:Araucarioxylon texense holotype transverse section Torrey 1923 Plate15 fig61.png]]

==†Cheirolepidiaceae==

Name ! Novelty ! Status ! Authors ! Age ! Type locality ! Location ! Notes ! Images
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Brachyoxylon comanchense \| Sp nov \| \| Torrey \| Cretaceous Comanchean \| Glen Rose Formation \| {{flag\|US}} {{flag\|Texas}} \| A cheirolepidiaceous wood morphospecies \| File:Brachyoxylon comanchense holotype transverse section Torrey 1923 Plate13 fig44.png]]
Brachyoxylon raritanense \| Sp nov \| \| Torrey \| Cretaceous Turonian \| Raritan Formation \| {{flag\|US}} {{flag\|New Jersey}} \| A cheirolepidiaceous wood morphospecies \| File:Brachyoxylon raritanense holotype transverse section Torrey 1923 Plate13 fig47.png]]
Brachyoxylon woodworthianum \| Sp nov \| \| Torrey \| Cretaceous Turonian \| Raritan Formation \| {{flag\|US}} {{flag\|Massachusetts}} \| A cheirolepidiaceous wood morphospecies \| File:Brachyoxylon woodworthianum holotype transverse section Torrey 1923 Plate12 fig37.png]]
Telephragmoxylon brachyphylloides \| Sp nov \| \| Torrey \| Cretaceous Comanchean \| \| {{flag\|US}} {{flag\|Texas}} \| A cheirolepidiaceous wood morphospecies Location given as "Weatherford, Texas" \| File:Telephragmoxylon brachyphylloides holotype transverse section Torrey 1923 Plate14 fig52.png]]
Telephragmoxylon comanchense \| Sp nov \| \| Torrey \| Cretaceous Comanchean \| \| {{flag\|US}} {{flag\|Texas}} \| A cheirolepidiaceous wood morphospecies Location given as "Weatherford, Texas" \| File:Telephragmoxylon comanchense holotype transverse section Torrey 1923 Plate15 fig57.png]]
Voltzioxylon \| Gen et sp nov \| jr synonym \| Torrey \| Triassic Late Triassic \| Dockum group \| {{Flag\|US}} {{Flag\|Texas}} \| A cheirolepidiaceous wood morphogenus Considered a jr synonym of Protocupressinoxylon (1949) The type species is V. dockumense \| File:Protocupressinoxylon dockumense holotype transverse section Torrey 1923 Plate8 fig1.png]]

==Cupressaceae==

Name ! Novelty ! Status ! Authors ! Age ! Type locality ! Location ! Notes ! Images
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Metacupressinoxylon \| Gen et comb nov \| \| Torrey \| Jurassic \| \| {{flag\|UK}} {{flag\|England}} \| A cupressaceous wood morphogenus The type species is Paracupressinoxylon cedroides (1913) \|
Paracupressinoxylon trinitense \| Sp nov \| \| Torrey \| Cretaceous Comanchean \| Trinity Group \| {{Flag\|US}} {{Flag\|Texas}} \| A cupressaceous wood morphospecies location given as "near Weatherford, Texas" \| File:Paracupressinoxylon trinitense holotype transverse section Torrey 1923 Plate14 fig51.png]]
Sequoioxylon \| Gen, sp, et comb nov \| \| Torrey \| Cretaceous Maastrichtian \| Laramie Formation \| {{Flag\|US}} {{Flag\|Montana}} \| A redwood wood morphogenus The type species is S. montanense Includes the new species S. dakotense, S. laramense Also includes Sequoia burgessii (1903) \| File:Sequoioxylon montanense holotype transverse section Torrey 1923 Plate10 fig19.png]]

==Pinaceae==

Name ! Novelty ! Status ! Authors ! Age ! Type locality ! Location ! Notes ! Images
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Abies longirostris{{cite report \|last1=Knowlton \|first1=F.H. \|year=1923 \|title=Fossil plants from the Tertiary lake beds of South-Сentral Colorado \|series=Professional Paper \|publisher=United States Geological Survey \|volume=131-G \|pages=183–197 \|doi=10.3133/pp131G \|doi-access=free }}{{cite report \|last1=Wolfe \|first1=J.A. \|last2=Schorn \|first2=H.E. \|year=1990 \|title=Taxonomic revision of the Spermatopsida of the Oligocene Creede flora, southern Colorado \|series=Bulletin \|publisher=United States Geological Survey \|volume=1923 \|pages=1–40 \|doi=10.3133/b1923 \|doi-access=free }} \| Sp nov \| jr Synonym \| Knowlton \| Oligocene Chattian \| Creede Formation \| {{Flag\|US}} {{Flag\|Colorado}} \| A possible bristlecone fir species A jr synonym of Abies rigida (1990) \|
Abies rigida \| Sp nov \| valid \| Knowlton \| Oligocene Chattian \| Creede Formation \| {{Flag\|US}} {{Flag\|Colorado}} \| A possible bristlecone fir species \| File:Abies rigida UCMP-3772 NPS img1.jpg]]
Pinus coloradensis \| Sp nov \| jr synonym \| Knowlton \| Oligocene Chattian \| Creede Formation \| {{Flag\|US}} {{Flag\|Colorado}} \| A bristle cone pine species A jr synonym of Pinus crossii (1990) \|
Pinus crossii \| Sp nov \| Valid \| Knowlton \| Oligocene Chattian \| Creede Formation \| {{Flag\|US}} {{Flag\|Colorado}} \| A bristle cone pine species \|
Pinus similis \| Sp nov \| jr synonym \| Knowlton \| Oligocene Chattian \| Creede Formation \| {{Flag\|US}} {{Flag\|Colorado}} \| A bristle cone pine species A jr synonym of Pinus crossii (1990) \|
Pityoxylon scituatensiforme \| Comb nov \| \| (Bailey) Torrey \| Cretaceous Turonian \| Raritan Formation \| {{flag\|US}} {{flag\|New Jersey}} \| A pinaceous wood morphospecies Moved from Pinus scituatensiforme (1911) \| File:Pityoxylon scituatensiforme transverse section Torrey 1923 Plate8 fig3.png]]
Pseudotsuga annulata \| Comb nov \| \| (Platen) Torrey \| Pliocene \| \| {{flag\|US}} {{flag\|California}} \| A Douglas fir wood morphospecies Moved from Pityoxylon annulatum (1907) \| File:Pseudotsuga annulata transverse section Torrey 1923 Plate8 fig4.png]]

==Podocarpaceae==

Name ! Novelty ! Status ! Authors ! Age ! Type locality ! Location ! Notes ! Images
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Podocarpoxylon dakotense \| Sp nov \| \| Torrey \| Cretaceous \| Laramie group \| {{Flag\|US}} {{Flag\|North Dakota}} \| A "podocarpaceous" wood morphospecies Podocarpoxylon Noted by Torrey to be very similar to Cupressaceae and problematic in definition. \|
Podocarpoxylon texense \| Sp nov \| \| Torrey \| Eocene \| \| {{Flag\|US}} {{Flag\|Texas}} \| A podocarpaceous wood morphospecies Location given as "lignite mine at Rockdale station, Texas" Podocarpoxylon Noted by Torrey to be very similar to Cupressaceae and problematic in definition. \| File:Podocarpoxylon texense holotype transverse section Torrey 1923 Plate8 fig7.png]]
Podocarpoxylon washingtonense \| Sp nov \| \| Torrey \| Miocene \| Wilkes Formation \| {{Flag\|US}} {{Flag\|Washington}} \| A podocarpaceous wood morphospecies Location given as "Salmon Creek" Podocarpoxylon Noted by Torrey to be very similar to Cupressaceae and problematic in definition. \| File:Podocarpoxylon washingtonense holotype transverse section Torrey 1923 Plate9 fig12.png]]

=Angiosperms=

==Basal eudicots==

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Name

! Novelty

! Status

! Authors

! Age

! Type locality

! Location

! Notes

! Images

Odostemon hakeaefolia

Comb nov

Jr synonym

(Lesquereux) Knowlton

Eocene
Priabonian

Florissant Formation

A Mahonia species
Moved from Lomatia hakeaefolia (1883)
Moved to Mahonia hakeaefolia (1936)
Specimens from Creede combined into Mahonia aceroides (1990)

Odostemon(?) marginata

Comb nov

Jr synonym

(Lesquereux) Knowlton

Eocene
Priabonian

Florissant Formation

A Mahonia species
Moved from Hedera marginata (1883)
Moved to Mahonia marginata (1936)
Specimens from Creede combined into Mahonia aceroides (1990)

==Superroids==

===Fagales===

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Name

! Novelty

! Status

! Authors

! Age

! Type locality

! Location

! Notes

! Images

Alnus? larseni

Sp nov

jr synonym

Knowlton

Oligocene
Chattian

Creede Formation

First identified as a possible Alder species
Moved to Populus larsenii (1990)

Rubus? inquirendus

Sp nov

Knowlton

Oligocene
Chattian

Creede Formation

A possible bramble species flower

===Malvales===

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Name

! Novelty

! Status

! Authors

! Age

! Type locality

! Location

! Notes

! Images

Sterculia aceroides

Sp nov

Jr synonym

Knowlton

Oligocene
Chattian

Creede Formation

First identified as a Sterculia species
Moved to Mahonia aceroides (1990)

==''Incertae sedis''==

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Name

! Novelty

! Status

! Authors

! Age

! Type locality

! Location

! Notes

! Images

Phyllites potentilloides

Sp nov

jr synonym

Knowlton

Oligocene
Chattian

Huerto Formation

First identified as a leaf of uncertain affiliation
Moved to Sorbus potentilloldes (1987)

Arthropoda

=Insects=

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Name

! Novelty

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Archimyrmex{{cite journal |last1=Dlussky |first1=G.M. |year=2012 |title=New Fossil Ants of the Subfamily Myrmeciinae (Hymenoptera, Formicidae) from Germany |journal= Paleontological Journal |volume= 46 |issue= 3 |pages=288–292 |doi=10.1134/s0031030111050054}}

Gen et sp nov

valid

Cockerell

Eocene
Lutetian

Green River Formation

A myrmeciine ant
The type species is A. rostratus

File:Archimyrmex rostratus UCM15174 profile.jpg]]

Archosauromorpha

=Dinosaurs=

==New taxa==

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Taxon

! Novelty

! Status

! Author(s)

! Age

! Unit

! Location

! Notes

! Images

AltispinaxHuene, F. von. 1923. Carnivorous Saurischia in Europe since the Triassic. Bull. Geol. Soc. America 34: pp. 449-458.

| Gen. et sp. nov.

| Valid

| Huene

| Valanginian

| Wadhurst Clay Formation

| {{Flag|England}}

| A possible carcharodontosaurid

Corythosaurus excavatus{{cite journal|last=Gilmore|first=C.W.|author-link=Charles W. Gilmore|year=1923|title=A new species of Corythosaurus with notes on other Belly River Dinosauria|journal=The Canadian Field-Naturalist|volume=37|pages=46–52}}

| Sp. nov.

| Jr. synonym

| Gilmore

| Campanian

| Dinosaur Park Formation

| {{flag|Alberta}}

| Junior synonym of Corythosaurus intermedius

Corythosaurus intermedius

| Sp. nov.

| Valid

| Parks

| Campanian

| Dinosaur Park Formation

| {{flag|Alberta}}

| A species of Corythosaurus

Lambeosaurus{{cite journal|last=Parks|first=W.A.|author-link=William A. Parks|year=1923|title=Corythosaurus intermedius, a new species of trachodont dinosaur|journal=University of Toronto. Geological Studies|volume=15|pages=5–57}}

| Gen. et sp. nov.

| Valid

| Parks

| Campanian

| Dinosaur Park Formation

| {{Flag|Alberta}}

| A lambeosaurine hadrosaurid

| 200px

LametasaurusMatley, C.A. 1923. Note on an armoured dinosaur from the Lameta beds of Jubbulpore. Rec. Geol. Survey India 55 (2): pp. 105-109.

| Gen. et sp. nov

| Nomen dubium

| Matley

| Maastrichtian

| Lameta Formation

| {{Flag|India}}

| A composite of abelisaurid and titanosaur remains

PentaceratopsOsborn, H.F. 1923. A new genus and species of Ceratopsia from New Mexico, Pentaceratops stennbergi. Amer. Mus. Novitates 93: pp. 1-3.

| Gen. et sp. nov.

| Valid

| Osborn

| Campanian

| Kirtland Formation

| {{Flag|New Mexico}}

| A chasmosaurine ceratopsid

| 200px

Protiguanodon

| Gen. et sp. nov.

| Junior synonym

| Osborn

| Barremian

| Öösh Formation

| {{flag|Mongolia}}

| A junior synonym of Psittacosaurus.

ProtoceratopsGranger, W. and W.K. Gregory. 1923. Protoceratops andrewsi, a preceratopian dinosaur from Mongolia. Amer. Museum Novitates 42: pp. 1-9.

| Gen. et sp. nov.

| Valid

| Granger & Gregory

| Campanian

| Djadochta Formation

| {{Flag|Mongolia}}

| A protoceratopsid ceratopsian

| 200px

"Protrachodon"B. F. Nopcsa. 1923. On the geological importance of the primitive reptilian fauna in the uppermost Cretaceous of Hungary; with a description of a new tortoise (Kallokibotion). Quarterly Journal of the Geological Society 74:100-116

| Nomen nudum

| Nopcsa

| Maastrichtian

| Haţeg Basin

| {{flag|Romania}}

| Mentioned in passing during discussion of Orthomerus

PsittacosaurusOsborn, H.F. 1923. Two Lower Cretaceous dinosaurs from Mongolia. Amer. Mus. Novitates 95: pp. 1-10.

| Gen. et sp. nov.

| Valid

| Osborn

| Barremian

| Öösh Formation