2001 in paleontology

Posidonia Shale Formation

The type species is Mesophryne beipiaoensis.

| rowspan="47" |

Nezpercius{{Cite journal|author=Blob, R.W.|author2=Carrano, M.T.|author3=Rogers, R.R.|author4=Forster, C.A.|author5=Espinoza, N.R.|name-list-style=amp|year=2001|title=A new fossil frog from the Upper Cretaceous Judith River Formation of Montana|journal=Journal of Vertebrate Paleontology|volume=21|issue=1|pages=190–194|doi=10.1671/0272-4634(2001)021[0190:ANFFFT]2.0.CO;2|s2cid=130230958 }}

Valid

Blob
Carrano
Rogers
Forster
Espinoza

Upper Cretaceous

Judith River Formation

The type species is Nezpercius dodsoni.

Sinerpeton

Valid

Gao
Shubin

Late Jurassic

Zhangjiakou Formation

The type species is Sinerpeton fengshanensis.

Ichthyosaurs

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

Name

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Metashastasaurus{{cite journal|author1=Nichollis, E.L. |author2=Manabe, M.|year=2001|title=A new genus of ichthyosaur from the Late Triassic Pardonet Formation of British Columbia: bridging the Triassic-Jurassic gap|journal=Canadian Journal of Earth Sciences|volume=38|pages=983–1002|doi=10.1139/cjes-38-6-983|issue=6|bibcode = 2001CaJES..38..983N }}

Synonymy

Nichollis
Manabe

Late Triassic

Pardonet Formation

A new genus for "Shastasaurus" neoscapularis. A junior synonymy of Callawayia Maisch & Matzke, 2000.

| rowspan="47"|

Turtles

=Newly named turtles=

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

Name

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Caribemys{{cite journal|author1=de la Fuente, M.S. |author2=Iturralde-Vinent, M.|year=2001|title=A new pleurodiran turtle from the Jagua Formation (Oxfordian) of western Cuba|journal=Journal of Paleontology|volume=75|issue=4|pages=860–869|doi=10.1666/0022-3360(2001)075<0860:anptft>2.0.co;2|url=http://doc.rero.ch/record/14982/files/PAL_E2132.pdf }}

Valid

de la Fuente
Iturralde-Vinent

Upper Jurassic

Jagua Formation

The type species is Caribemys oxfordiensis.

| rowspan="47"|

Cearachelys{{Cite journal|author=Gaffney, E.S.|author2=de Almedia Campos, D.|author3=Hirayama, R.|name-list-style=amp|year=2001|title=Cearachelys, a new side-necked turtle (Pelomedusoides: Bothremydidae) from the Early Cretaceous of Brazil|journal=American Museum Novitates|issue=3319|pages=1–20}}

Valid

Gaffney
Campos
Hirayama

Early Cretaceous

Santana Formation

The type species is Cearachelys placidoi.

Kurmademys{{Cite journal|author=Gaffney, E.S.|author2=Chatterjee, S.|author3=Rudra, D.K.|year=2001|title=Kurmademys, a new side-necked turtle (Pelomedusoides: Bothremydidae) from the Late Cretaceous of India|journal=American Museum Novitates|issue=3321}}

Valid

Gaffney
Chatterjee
Rudra

Late Cretaceous

Kallamedu Formation

The type species is Kurmademys kallamedensis.

Lepidosauromorphs

=Newly named basal lepidosauromorphs=

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

Name

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Hypuronector{{cite journal|author1=Colbert, E.H. |author2=Olsen, P.E.|year=2001|title=A new and unusual aquatic reptile from the Lockatong Formation of New Jersey (Late Triassic, Newark Supergroup)|journal=American Museum Novitates|issue=3334|pages=1–15|doi=10.1206/0003-0082(2001)334<0001:anauar>2.0.co;2|hdl=2246/2887|s2cid=17294610 |url=https://www.biodiversitylibrary.org/bibliography/178820}}

Valid

Colbert
Olsen

Late Triassic

Lockatong Formation

The type species is Hypuronector limnaios.

| rowspan="47"|

=Newly named plesiosaurs=

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

Name

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Hauffiosaurus{{Cite journal|author=O'Keefe, F.R.|year=2001|title=A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia)|journal=Acta Zoologica Fennica|volume=213|pages=1–63}}

Valid

O'Keefe

Lower Jurassic

The type species is Hauffiosaurus zanoni.

| rowspan="47" |

File:Hauffiosaurus 1.JPG]]

=Newly named sphenodonts=

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

Name

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Godavarisaurus{{Cite journal|author=Evans, S.E.|author2=Prasad, G.V.R.|author3=Manhas, B.K.|name-list-style=amp|year=2001|title=Rhynchocephalians (Diapsida: Lepidosauria) from the Jurassic Kota Formation of India|journal=Zoological Journal of the Linnean Society|volume=133|pages=309–334|doi=10.1111/j.1096-3642.2001.tb00629.x|issue=3|doi-access=free}}

Valid

Evans
Prasad
Manhas

Early Jurassic

Kota Formation

The type species is Godavarisaurus latefi.

| rowspan="47" |

Rebbanasaurus

Valid

Evans
Prasad
Manhas

Early Jurassic

Kota Formation

The type species is Rebbanasaurus jani.

Archosauromorphs

=Newly named basal archosauromorphs=

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

Name

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Yonghesuchus{{cite journal |author=Wu, X.-C. |author2=Liu, J. |author3=Li, J.-L. |name-list-style=amp|year=2001|title=The anatomy of the first archosauriform (Diapsida) from the terrestrial Upper Triassic of China|journal=Vertebrata PalAsiatica|volume=39|issue=4|pages=251–265 |doi=10.19615/j.cnki.1000-3118.2001.04.002 }}

Valid

Upper Triassic

Tongchuan Formation

The type species is Yonghesuchus sangbiensis.

| rowspan="47"|

=Newly named pseudosuchians=

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

Name

! Novelty

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Mekosuchus sanderi{{Cite book|last1=Willis|first1=P. M. A.|year=2001|title= Crocodilian biology and evolution|chapter=New crocodilian material from the Miocene of Riversleigh (northwestern Queensland, Australia)|url=https://www.researchgate.net/publication/328369151|publisher=Surrey Beatty & Sons}}

|Sp. nov.

Valid

Willis

Early Miocene

Ringtail Site of the Riversleigh World Heritage Area

A mekosuchinae crocodilian. It is the youngest known species of Mekosuchus from the Australian mainland.

Pabwehshi{{Cite journal|author=Wilson, J. A.|author2=Malkani, M.S.|author3=Gingerich, P.D.|name-list-style=amp|year=2001|title=New crocodyliform (Reptilia, Mesoeurocodylia) from the Upper Cretaceous Pab Formation of Vitakri, Balochistan (Pakistan)|journal=Contributions from the Museum of Paleontology, the University of Michigan|volume=30|issue=12|pages=321–336}}

|Gen. et sp. nov

Valid

Wilson, Malkani & Gingerich

Upper Cretaceous

Pab Formation

The type species is Pabwehshi pakistanensis.

Rugosuchus{{Cite journal|author=Wu, X.-C.|author2=Wu, Z.-W.|author3=Russell, A.P.|name-list-style=amp|year=2001|title=Cranial anatomy of a new crocodyliform (Archosauria: Crocodylomorpha) from the Lower Cretaceous of Song-Liao Plain, northeastern China|journal=Canadian Journal of Earth Sciences|volume=38|issue=12|pages=1653–1663|doi=10.1139/cjes-38-12-1653|bibcode = 2001CaJES..38.1653W }}

|Gen. et. sp. nov

Valid

Wu, Wu & Russell

Lower Cretaceous

?Nenjiang Formation

The type species is Rugosuchus nonganensis.

Stratiotosuchus{{Cite journal|author=Campos, D. de A.|author2=Suarez, J.M.|author3=Riff, D.|author4=Kellner, A.W.A.|name-list-style=amp|year=2001|title=Short note on a new Baurusuchidae (Crocodyliformes, Metasuchia) from the Upper Cretaceous of Brazil|journal=Boletim do Museu Nacional, Geologia|issue=57|pages=1–7}}

|Gen. et sp. nov.

Valid

Campos et al.

Upper Cretaceous

Adamantina Formation

The type species is Stratiotosuchus maxhechti.

=Newly named dinosaurs=

Data courtesy of George Olshevsky's dinosaur genera list.{{cite web | last = Olshevsky | first = George | title = Dinogeorge's Dinosaur Genera List | url = http://www.polychora.com/dinolist.html | access-date = 2008-08-07 | archive-date = 2011-07-15 | archive-url = https://web.archive.org/web/20110715102453/http://www.polychora.com/dinolist.html | url-status = dead }}

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

Name

! Status

! Authors

! Age

! Unit

! Location

! width="23%" class="unsortable" | Notes

! class="unsortable"| Images

AletopeltaFord, T.L. and J.I. Kirkland. 2001. Carlsbad ankylosaur (Ornithischia, Ankylosauria): an ankylosaurid and not a nodosaurid. Chapter 12 (pp. 239-260) in: The Armored Dinosaurs (K. Carpenter, ed.). Indiana University Press, Bloomington & Indianapolis, IA (483 pages): 239-260.

Valid taxon

|style="border-right:0px" valign="top"|

Ford

James Kirkland

Point Loma Formation

({{Flag|California}})

A {{convert|20|ft|m|adj=mid

long}} ankylosaurid. Apparently, before being fossilized, the animal's bloated carcass had floated out to sea and formed a miniature reef environment after it sank to the bottom.

| rowspan="110" |

File:Aletopelta coombsi.jpg]]

File:Citipati profiles1.jpg]]

File:Gobisaurus.jpg]]

File:Hesperosaurus mjosi skeleton.JPG]]

File:Khaan mckennai profile1.jpg]]

File:Masiakosaurus skull FMNH.jpg had a unique jaw configuration with projecting teeth.]]

File:Nothronychus mckinleyi Restoration.png]]

File:SyntarsusDB.jpg]]

File:Paralititan stromeri.jpg]]

File:Rapetosaurus BW.jpg]]

BienosaurusDong Z. 2001. Primitive Armored Dinosaur from the Lufeng Basin, China. pp. 237-242 In: Mesozoic Vertebrate Life: New Research inspired by the Paleontology of Philip J. Currie (D.H. Tanke and K. Carpenter, eds.). Indiana University Press, Bloomington & Indianapolis, IA: xviii + 542 pages.

| Valid taxon

|style="border-right:0px" valign="top"|

Dong Zhiming

Lower Lufeng Formation

A primitive scelidosaurid known from scant remains.

CedarpeltaCarpenter, K., J.I. Kirkland, D. Burge, and J. Bird. 2001. Disarticulated Skull of a New Primitive Ankylosaurid from the Lower Cretaceous of Eastern Utah. Chapter 11 of The Armored Dinosaurs (K. Carpenter, ed.). Indiana University Press, Bloomington & Indianapolis, IA: pp. 211-238.

| Valid taxon

|style="border-right:0px" valign="top"|

James Kirkland

et al.Kenneth Carpenter, James Kirkland, Burge, Bird.

Cedar Mountain Formation

The most basal known ankylosaurid.

Citipati{{cite journal | last1 = Clark | first1 = J.M. | last2 = Norell | first2 = M.A. | last3 = Barsbold | first3 = P. | year = 2001 | title = Two new oviraptorids (Theropoda: Oviraptorosauria), Upper Cretaceous Djadokhta Formation, Ukhaa Tolgod, Mongolia | journal = Journal of Vertebrate Paleontology | volume = 21 | issue = 2| pages = 209–213 | doi=10.1671/0272-4634(2001)021[0209:tnotou]2.0.co;2| s2cid = 86076568 }}

| Valid taxon

|style="border-right:0px" valign="top"|

A relatively large oviraptorid known to brood its nests.

DraconyxMateus, O. and M.T. Antunes. 2001. Draconyx loureiroi, a new Camptosauridae (Dinosauria, Ornithopoda) from the Late Jurassic of Lourinha, Portugal. Annales Paleontol. 87 (1): pp. 61-73.

| Valid taxon

|style="border-right:0px" valign="top"|

Octávio Mateus

Antunes

Lourinhã Formation

A relative of Camptosaurus.

Eotyrannus{{cite journal | last1 = Hutt | first1 = S. | last2 = Naish | first2 = D. | last3 = Martill | first3 = D.M. | last4 = Barker | first4 = M.J. | last5 = Newbery | first5 = P. | s2cid = 16881410 | year = 2001 | title = A preliminary account of a new tyrannosauroid theropod from the Wessex Formation (Early Cretaceous) of southern England | journal = Cretaceous Research | volume = 22 | issue = 2| pages = 227–242 | doi=10.1006/cres.2001.0252| url = http://doc.rero.ch/record/14510/files/PAL_E1710.pdf }}

| Valid taxon

|style="border-right:0px" valign="top"|

Hutt

Naish

et al.Hutt, Naish, Martill, Barker, Newberry.

Wessex Formation

A twenty-foot tyrannosauroid.

Eshanosaurus{{cite journal | last1 = Xu | first1 = X. | last2 = Zhao | first2 = X. | last3 = Clark | first3 = J.M. | year = 2001 | title = A new therizinosaur from the Lower Jurassic lower Lufeng Formation of Yunnan, China | journal = Journal of Vertebrate Paleontology | volume = 21 | issue = 3| pages = 477–483 | doi=10.1671/0272-4634(2001)021[0477:antftl]2.0.co;2| s2cid = 131298010 }}

| Valid taxon

|style="border-right:0px" valign="top"|

Zhao Xijin

James M. Clark

Lower Lufeng Formation

A therizinosaur, possibly the earliest known coelurosaur.

Gobisaurus{{cite journal | last1 = Vickaryous | first1 = M.K. | last2 = Russell | first2 = A.P. | last3 = Currie | first3 = P.J. | last4 = Zhao | first4 = X.- J. | year = 2001 | title = A new ankylosaurid (Dinosauria: Ankylosauria) from the Lower Cretaceous of China, with comments on ankylosaurian relationships. In: The Sino-Canadian Dinosaur Project 3 | journal = Canadian Journal of Earth Sciences | volume = 38 | issue = 12| pages = 1767–1780 | doi=10.1139/cjes-38-12-1767|bibcode = 2001CaJES..38.1767V | url = http://doc.rero.ch/record/14311/files/PAL_E1469.pdf }}

| Valid taxon

|style="border-right:0px" valign="top"|

Matthew K. Vickaryous

Anthony P. Russell

et al.Matthew K. Vickaryous, Anthony P. Russell, Phillip Currie, Zhao Xijin.

Ulansuhai Formation

An ankylosaurid that resembled Shamosaurus.

"Hanwulosaurus"Xinhua News Service news articles

| Nomen nudum

|style="border-right:0px" valign="top"|

Anonymous

A thirty-foot ankylosaur.

"Heilongjiangosaurus"Li, W. and J. Jin. 2001. On the Upper Cretaceous Jiayin Group of Heilongjiang Province, China (Deng and Wang, eds): 65-74.

| Nomen nudum

|style="border-right:0px" valign="top"|

Li W.

Jin J.

A hadrosaur, possibly synonymous with Charonosaurus.

HesperosaurusCarpenter, K., C.A. Miles, and K. Cloward. 2001. New primitive stegosaur from the Morrison Formation, Wyoming. In: The Armored Dinosaurs (Carpenter, K., ed.). Indiana University Press, Bloomington, IA: pp. 55-75.

| Valid taxon

|style="border-right:0px" valign="top"|

Miles

Cloward

Morrison Formation

A stegosaurid slightly older and more primitive than Stegosaurus, although the genera may be synonymous.

JiangshanosaurusTang F., X.-M. Kang, X.-S. Jin., F. Wei, and W.- T. Wu. 2001. A new sauropod dinosaur of Cretaceous from Jiangshan, Zhejiang Province. Vertebrate Palasiatica 39 (4): pp. 272-281.

| Valid taxon

|style="border-right:0px" valign="top"|

Tang F.

Kang

et al.Tang F., Kang, Jin X., Wei, Wu W. T.

A titanosaur known only from a partial skeleton found near Lixian Village, China.

Jinzhousaurus{{cite journal | author = Wang X., Xu X. | year = 2001 | title = A new iguanodontid (Jinzhousaurus yangi gen. et sp. nov.) from the Yixian Formation of western Liaoning, China | journal = Chinese Science Bulletin | volume = 46 | issue = 19| pages = 1669–1672 | doi = 10.1007/bf02900633 | bibcode = 2001ChSBu..46.1669W | s2cid = 128837848 }}

| Valid taxon

|style="border-right:0px" valign="top"|

Wang X.

A hadrosauroid known from a nearly complete skeleton.

Khaan

| Valid taxon

|style="border-right:0px" valign="top"|

A fairly typical oviraptorid once misidentified as Ingenia.

"Kittysaurus"

| Junior synonym of Eotyrannus

|style="border-right:0px" valign="top"|

Hargreaves

Wessex Formation

LiaoningosaurusXu, X., X.-L. Wang, and H.-L. You. 2001. A juvenile ankylosaur from China [Liaoningosaurus paradoxus]. Die Naturwissenshaften 88 (7): pp 297-300.

| Valid taxon

|style="border-right:0px" valign="top"|

Wang X.

You

Maria Lourdes Casanovas-Cladellas

A bizarre ankylosaur of uncertain classification. Known from the complete specimen of a juvenile 34 cm long, it's the smallest known ankylosaur to date.

LosillasaurusCasanovas, M.L., J.V. Santafe, and J.L. Sanz. 2001. Losillasaurus giganteus, un nuevo sauropodo del transito Jurasico-Cretacico de la cuenca de "Los Serranos" (Valencia, España). Paleontologia i Evolució, 32-33: pp. 99-122.

| Valid taxon

|style="border-right:0px" valign="top"|

Santafe

Sanz

Villar del Arzobispo Formation

A large turiasaur known from a partial subadult skeleton.

Masiakasaurus{{cite journal | last1 = Sampson | first1 = S. D. M.T. Carrano | last2 = Forster | first2 = C.A. | year = 2001 | title = A bizarre predatory dinosaur from the Late Cretaceous of Madagascar | journal = Nature | volume = 409 | issue = 6819| pages = 504–509 | doi=10.1038/35054046 | pmid=11206544|bibcode = 2001Natur.409..504S | s2cid = 205013285 }}

| Valid taxon

|style="border-right:0px" valign="top"|

Sampson

Carrano

Forster

Late Cretaceous (Maastrichtian)

Maevarano Formation

A 2-meter (about 6–7 feet) noasaurid with unusual forward-pointing teeth.

MegapnosaurusIvie, M.A., S.A. Slipinski, and P. Wegrzynowicz. 2001. Generic homonyms in the Colydiinae (Coleoptera: Zopheridae). Insecta Mundi 15: pp.63-64.

| Valid taxon

|style="border-right:0px" valign="top"|

Ivie

Slipinski

Wegrzynowicz

Replacement name for Syntarsus Raath, 1969 non Fairmaire, 1869; a coelophysid theropod.

NeimongosaurusZhang, X-H., X. Xu, P. Sereno, X.-W. Kuang, and L. Tan. 2001. A long-necked therizionosauroid dinosaur from the Upper Cretaceous Iran Dabasu Formation of Nei Mongol, People's Republic of China. Vertebrate Palasiatica 39 (4): pp. 282-290.

| Valid taxon

|style="border-right:0px" valign="top"|

Zhang X. H.

et al.Zhang X. H., Xu Xing, Zhao X., Paul Sereno, Kuang, Tan L.

Iren Dabasu Formation

A therizinosaur about 2.3 meters in length.

Nothronychus{{cite journal | last1 = Kirkland | first1 = J.I. | last2 = Wolf | first2 = D.G. | year = 2001 | title = First definitive therizinosaurid (Dinosauria; theropoda) from North America | journal = Journal of Vertebrate Paleontology | volume = 21 | issue = 3| pages = 410–414 | doi=10.1671/0272-4634(2001)021[0410:fdtdtf]2.0.co;2| s2cid = 85705529 }}

| Valid taxon

|style="border-right:0px" valign="top"|

James Kirkland

Wolfe

Late Cretaceous (Turonian)

Moreno Hill Formation

A therizinosaur.

Paralititan{{cite journal | last1 = Smith | first1 = J.B. | last2 = Lamanna | first2 = M.C. | last3 = Lacovara | first3 = K.J. | last4 = Dodson | first4 = P. | last5 = Smith | first5 = J.R. | last6 = Poole | first6 = J.C. | last7 = Giegengack | first7 = R. | last8 = Attia | first8 = Y. | year = 2001 | title = A Giant Sauropod Dinosaur from an Upper Cretaceous Mangrove Deposit in Egypt | journal = Science | volume = 292 | issue = 5522| pages = 1704–1706 | doi=10.1126/science.1060561 | pmid=11387472|bibcode = 2001Sci...292.1704S | s2cid = 33454060 | url = http://doc.rero.ch/record/14792/files/PAL_E1924.pdf }}

| Valid taxon

|style="border-right:0px" valign="top"|

J. B. Smith

Lamanna

et al.J. B. Smith, Lamanna, Lacovara, Dodson, J. R. Smith, Poole, Giegengack, Attia.

Bahariya Formation

A titanosaur and of the most massive dinosaurs ever discovered, with an estimated weight of 59 tonnes (65 short tons) and length of around {{convert|26|m|ft|sp=us}}.

PlanicoxaDiCroce, T. and K. Carpenter. 2001. New ornithopod from the Cedar Mountain Formation (Lower Cretaceous) of eastern Utah. In: Mesozoic vertebrate life: new research inspired by the paleontology of Philip J. Currie (D.H. Tanke, Darren and K. Carpenter, eds.). Indiana University Press, Bloomington & Indianapolis, IA (xviii + 542 pages): pp. 183-196.

| Valid taxon

|style="border-right:0px" valign="top"|

DiCroce

Cedar Mountain Formation

An advanced iguanodontian.

PukyongosaurusDong Z., I.-S. Paik, H.-J. Kim. 2001. A preliminary report on a sauropod from the Hasandong Formation (Lower Cretaceous), Korea. In: Proceedings of the Eighth Annual Meeting of the Chinese Society of Vertebrate Paleontology (Deng & Wang, eds.). China Ocean Press, Beijing: pp. 41-53.

| Valid taxon

|style="border-right:0px" valign="top"|

Dong Zhiming

Paik

Kim H. J.

Hasandong Formation

A titanosauriform related to Euhelopus.

QuilmesaurusCoria, R.A. 2001. New Theropod from the Late Cretaceous of Patagonia. In: Mesozoic vertebrate life: new research inspired by the paleontology of Philip J. Currie (D.H. Tanke and K. Carpenter, eds.). Indiana University Press, Bloomington & Indianapolis, IA (xviii + 542 pages): pp. 3-9.

| Valid taxon

|style="border-right:0px" valign="top"|

Rodolfo Coria

Allen Formation

A {{convert|5|–|6|m|ft|abbr=off|sp=us}} theropod known from a partial leg.

Rapetosaurus{{cite journal | last1 = Curry-Rogers | first1 = K. | last2 = Forster | first2 = C.A. | year = 2001 | title = The last of the dinosaur titans: a new sauropod from Madagascar | journal = Nature | volume = 412 | issue = 6846| pages = 530–534 | doi = 10.1038/35087566 | pmid=11484051 | bibcode = 2001Natur.412..530C| s2cid = 4347583 }}

| Valid taxon

|style="border-right:0px" valign="top"|

Kristina Curry-Rogers

Catherine A. Forster

Late Cretaceous (Maastrichtian)

Maevarano Formation

A {{convert|15|m|ft}} titanosaur.

RuehleiaGalton, P. M. 2001. Prosauropod dinosaurs from the Upper Triassic of Germany. In: Colectivo Arqueologico-Paleontologico de Salas, C.A.S. (eds.). Actas de las I Jornadas Internacionales sobre Paleontologia de Dinosaurios y su Entorno (Proceedings of the 1st International Symposium on Paleontology of Dinosaurs and their Environment). Burgos (Spain),: pp. 25-92.

| Valid taxon

|style="border-right:0px" valign="top"|

Peter Galton.

Knollenmergel

A prosauropod named for Hugo Ruehle von Lilienstern.

Wellnhoferia{{cite journal | author = Elzanowski A | year = 2001 | title = A new genus and species for the largest specimen of Archaeopteryx | journal = Acta Palaeontologica Polonica | volume = 46 | issue = 4| pages = 519–532 }}

| Valid non-dinosaurian taxon.

|style="border-right:0px" valign="top"|

Andrzej Elżanowski

Solnhofen Limestone

Very similar to Archaeopteryx, which may be its senior synonym.

VenenosaurusTidwell, V., K. Carpenter, and S. Meyer. 2001. New Titanosauriform (Sauropoda) from the Poison Strip Member of the Cedar Mountain Formation (Lower Cretaceous), Utah. In: Mesozoic vertebrate life: new research inspired by the paleontology of Philip J. Currie (D.H. Tanke and K. Carpenter, eds.). Indiana University Press, Bloomington & Indianapolis, IA, xviii + 542 pages): pp. 139-165.

| Valid taxon

|style="border-right:0px" valign="top"|

Tidwell

S. Meyer

Early Cretaceous (early Aptian)

Cedar Mountain Formation (Poison Strip Member)

A relatively small (probably around {{convert|10|m|ft|abbr=on}} long) titanosauriform sauropod, known from an incomplete skeleton of an adult and a juvenile. Its tail vertebrae articulated in a unique fashion that may be of evolutionary significance.

"Yibinosaurus"Chongqing Natural History Museum guidebook.

| Nomen nudum

|style="border-right:0px" valign="top"|

Ouyang vide:

Anonymous

An undescribed sauropod.

YunxianosaurusLi Zhengqi (2001) Distribution, burying and classification of dinosaur fossils in Upper Cretaceous strata at Meipu Town, Yunxian County of Hubei Province. Hubei Geology & Mineral Resources 15(4)(Total No 37): 25-31 http://www.cqvip.com/QK/82916X/200104/5847919.html

| Valid taxon

|style="border-right:0px" valign="top"|

Late Cretaceous

A titanosaur sauropod.

=Newly named birds=

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

Name

! Novelty

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Aegypius prepyrenaicus {{Cite journal | author=Hernández Carrasquilla | year = 2001 | title = A New Species of Vulture (Aves, Aegypiinae) from the Upper Pleistocene of Spain | url =http://www.ardeola.org/files/468.pdf | journal =Ardeola | volume = 48 | issue = 1 | pages = 47–53 }}

Sp. nov.

Valid ?

Hernández Carrasquilla

Late Pleistocene

Cave depositions

{{Flag|Spain}}:

According to Sanchez Marco (2007) it is a Nomen Dubium.

Apsaravis ukhaana {{cite journal|author1=Norell, M.A. |author2=Clarke, J.A.|year=2001|title=Fossil that fills a critical gap in avian evolution|journal=Nature|volume=409|pages=181–184|doi=10.1038/35051563|issue=6817|pmid=11196639|bibcode=2001Natur.409..181N|s2cid=4377596}}

Gen. nov. et Sp. nov.

Valid

The type species of the new genus.

| rowspan="47"|

Belgirallus minutus {{Cite journal | doi = 10.1016/s0016-6995(01)80069-3|author1=Gerald Mayr |author2=Richard Smith | year = 2001 | title = Ducks, Rails and Limicoline Waders (Aves: Anseriformes, Gruiformes, Charadriiformes) from the Lowermost Oligocene of Belgium | url =http://www.senckenberg.de/files/content/forschung/abteilung/terrzool/ornithologie/belgium_geobios.pdf | journal =Géobios | volume = 34 | issue = 5 | pages = 547–561 }}

Sp. nov.

Valid

Early Oligocene

{{Flag|Belgium}}:

A Rallidae.

Belgirallus oligocaenus

Gen. nov. et Sp. nov.

Valid

Early Oligocene

{{Flag|Belgium}}:

A Rallidae, the type species of the new genus.

Boutersemia belgica

Gen. nov. et Sp. nov.

Valid

Early Oligocene

{{Flag|Belgium}}:

A Glareolidae, the type species of the new genus.

Boutersemia parvula

Gen. nov. et Sp. nov.

Valid

Early Oligocene

{{Flag|Belgium}}:

A Glareolidae.

Calonectris krantzi

Sp. nov.

Valid

Early Pliocene

{{Flag|USA}}:

Collocalia buday {{Cite journal | author=Walter E. Boles | year = 2001 | title = A Swiftlet (Apodidae: Collocaliini) from the Miocene of Riversleigh, Northwestern Queensland In: Hand, S. J. & Laurie J. R.: Riversleigh Symposium 1998: Proceedings of a Research Symposium on Fossils from Riversleigh and Murgon, Queensland, Held at the University of New South Wales, December, 1998. | journal =Memoirs of the Association of Australasian Palaeontologists | volume = 25 | pages = 45–52 }}

Sp. nov.

Valid

Walter E. Boles

Early Miocene

Riversleigh

{{Flag|Australia}}:

An Apodidae.

Ducula lakeba {{Cite journal | doi = 10.1080/03014223.2001.9517673| author=Trevor H. Worthy | year = 2001 | title = A Giant Flightless Pigeon gen. et sp. nov. and a New Species of Ducula (Aves: Columbidae), from Quaternary Deposits in Fiji | url = https://www.academia.edu/attachments/3197214/download_file?st=MTQwNjg3OTkxNyw0Ni4xMjkuNTcuMTU0LDQ1MDUyNg%3D%3D&s=sidebar | journal =Journal of the Royal Society of New Zealand | volume = 31 | issue = 4 | pages = 763–794 | s2cid=83708873 }}

Sp. nov.

Valid

Trevor H. Worthy

Quaternary

Lakeba Island

A Columbidae.

Emuarius guljaruba {{Cite journal | doi = 10.1071/MU00052 | author=Walter E. Boles | year = 2001 | title = A New Emu (Dromaiinae) from the Late Oligocene Etadunna Formation | url =http://www.publish.csiro.au/nid/96/paper/MU00052.htm | journal =Emu | volume = 101 | issue = 4 | pages = 317–321 | s2cid=1808852 | url-access = subscription }}

Sp. nov.

Valid

Walter E. Boles

Late Oligocene

Etadunna Formation

{{Flag|Australia}}:

A Dromaiidae.

Eocolius walkeri {{Cite journal | doi = 10.1007/bf01651734|author1=Gareth J. Dyke |author2=David M. Waterhouse | year = 2001 | title = A Mousebird (Aves, Coliiformes) from the Eocene of England | journal =Journal für Ornithologie | volume = 142 | issue = 1 | pages = 7–15 |s2cid=35303477 }}

Gen. nov. et Sp. nov.

Valid

Gareth J. Dyke

David M. Waterhouse

Early Eocene

MP 8

{{flag|UK}}:

A stem Coliiformes.

Eocrex tagusevae {{Cite journal | author=Andrei V. Panteleyev | year = 2001 | title = New Species of Rails (Aves: Gruiformes: Rallidae) from Paleogene of Tadjikistan | journal =Russian Journal of Ornithology, Express-issue | volume = 135 | pages = 199–201 }}

Sp. nov.

Valid

Andrei V. Panteleyev

Paleogene (Late Eocene-?Early Oligocene)

A Rallidae.

Falco kurochkini {{Cite journal | author1 = William Suárez Duque | author2 = Storrs L. Olson | year = 2001 | title = A Remarkable New Species of Small Falcon from the Quaternary of Cuba (Aves: Falconidae: Falco) | url = http://extinct-website.com/pdf/80982a.pdf | journal = Russian Journal of Ornithology, Express-issue | volume = 135 | pages = 199–201 | access-date = 2014-08-01 | archive-url = https://web.archive.org/web/20140808052357/http://extinct-website.com/pdf/80982a.pdf | archive-date = 2014-08-08 | url-status = dead }}

Sp. nov.

Valid

William Suárez Duque

Quaternary

Cave deposits

A Falconidae.

Fluvioviridavis platyrhamphus {{Cite journal |author1=Gerald Mayr |author2=Michael Daniels | year = 2001 | title = A New Short-legged Landbird from the Early Eocene of Wyoming and Contemporaneous European Sites | url= https://www.app.pan.pl/archive/published/app46/app46-393.pdf | journal =Acta Palaeontologica Polonica | volume = 46 | issue = 3 | pages = 393–402 }}

Gen. nov. et Sp. nov.

Valid

Michael Daniels

Early Eocene

Green River Formation

{{Flag|USA}}:

A Podargiformes, Fluvioviridavidae G. Mayr, 2005, the type species of the new genus.

Gavia fortis

Sp. nov.

Valid

Pamela C. Rasmussen

Early Pliocene

Yorktown Formation

{{Flag|USA}}:

A Gaviidae.

Laputavis robusta {{Cite journal | doi = 10.1671/0272-4634(2001)021[0195:apsftl]2.0.co;2| author=Gareth J. Dyke | year = 2001 | title = A Primitive Swift from the London Clay and the Relationships of Fossil Apodiform Birds | journal =Journal of Vertebrate Paleontology | volume = 21 | issue = 1; 2 | pages = 195–200; 401 | s2cid=85904467 }}

Gen. nov. et Sp. nov.

Valid

Gareth J. Dyke

Early Eocene

Ypresian,

London Clay Formation,

MP 8

{{flag|UK}}:

A stem Apodiformes, the genus was originally named Laputa but that name was preoccupied, the type species of the new genus.

Limenavis patagonica{{Cite journal|author1=Clarke, J.A. |author2=Chiappe, L.M.|year=2001|title=A new carinate bird from the Late Cretaceous of Patagonia (Argentina)| url=http://digitallibrary.amnh.org/dspace/bitstream/handle/2246/2940/n3323.pdf?sequence=1|journal=American Museum Novitates|issue=3323|pages=1–23|doi=10.1206/0003-0082(2001)323<0001:ANCBFT>2.0.CO;2|hdl=2246/2940|s2cid=55064310 }}

Gen. nov. et Sp. nov.

Valid

An Avialae Gauthier, 1985. The type species of the new genus.

Natunaornis gigoura

Gen. nov. et Sp. nov.

Valid

Trevor H. Worthy

Holocene

Viti Levu

A flightless Columbidae.

Phoebastria rexsularum {{Cite journal |author1=Storrs L. Olson |author2=Pamela C. Rasmussen | year = 2001 | title = Miocene and Pliocene Birds from the Lee Creek Mine, North Carolina | url =http://www.sil.si.edu/smithsoniancontributions/paleobiology/pdf_lo/sctp-0090.pdf | journal =Smithsonian Contributions to Paleobiology | volume = 90 | pages = 233–365 }}

Sp. nov.

Valid

Pamela C. Rasmussen

Early Pliocene

Yorktown Formation

{{Flag|USA}}:

A Diomedeidae.

Pica mourerae {{Cite journal | doi = 10.1016/s0016-6995(01)80080-2| author=Bartomeu Seguí | year = 2001 | title = A New Species of Pica (Aves: Corvidae) from the Plio-Pleistocene of Mallorca, Balearic Islands (Western Mediterranean) | journal= Géobios | volume = 34 | issue = 3 | pages = 339–347 }}

Sp. nov.

Valid

Bartomeu Seguí

Plio-Pleistocene

Majorca,

Balearic Islands

{{Flag|Spain}}:

A Corvidae.

Podiceps howardae {{Cite journal | author=Robert W. Storer | year = 2001 | title = A New Pliocene Grebe from the Lee Creek Deposits | url =http://www.sil.si.edu/smithsoniancontributions/paleobiology/pdf_lo/sctp-0090.pdf | journal =Smithsonian Contributions to Paleobiology | volume = 90 | pages = 227–231 }}

Sp. nov.

Valid

Robert W. Storer

Early Pliocene

Yorktown Formation

{{Flag|USA}}:

A Podicipedidae, possibly a synonym of Podiceps auritus.

Pseudoseisura cursor {{Cite journal |author1=Eduardo P. Tonni |author2=Jorge Noriega | year = 2001 | title = Una Especie Extinta de Pseudoseisura Reichenbach 1853 (Passeriformes: Furnariidae) del Pleistoceno de la Argentina: Comentarios Filogenéticos | url =http://www.ibiologia.unam.mx/pdf/links/neo/rev12/vol_12_1/orni_12_1_29-44.pdf | journal =Ornitologia Neotropical | volume = 12 | pages = 29–44 }}

Sp. nov.

Valid

Eduardo P. Tonni

Jorge Noriega

Early Pleistocene

Ensenadan

A Furnariidae.

Pterodromoides minoricensis {{Cite journal | doi = 10.1111/1475-4983.00209|author1=Bartomeu Seguí |author2=Josep Quintana |author3=Joan J. Fornos |author4=Josep A. Alcover | year = 2001 | title = A New Genus of Fulmarine Petrel (Aves: Procelariiformes) from the Upper Miocene of Menorca, Western Mediterranean | journal =Palaeontology | volume = 44 | issue = 5 | pages = 933–948 |hdl=10261/54307 |s2cid=129148277 | doi-access =free }}

Gen. nov. et Sp. nov.

Valid

Late Miocene-Pliocene

Early Pliocene

Menorca;

Yorktown Formation, North America

{{Flag|Spain}}:

{{flag|Menorca}};

{{Flag|USA}}:

A Procellariidae.

Rallus recessus {{Cite journal |author1=Storrs L. Olson |author2=David B. Wingate | year = 2001 | title = A New Species of Large Flightless Rail of the Rallus longirostris/elegans Complex (Aves: Rallidae) from the Late Pleistocene of Bermuda | url =https://repository.si.edu/bitstream/handle/10088/1734/VZ_307_Rallus_recessus.pdf?sequence=3&isAllowed=y | journal =Proceedings of the Biological Society of Washington | volume = 114 | issue = 2 | pages = 509–516 }}

Sp. nov.

Valid

David B. Wingate

Late Pleistocene

Bermuda

A flightless Rallidae.

Wellnhoferia grandis {{Cite journal | author=Andrei Elzanowski | year = 2001 | title = A New Genus and Species for the Largest Specimen of Archaeopteryx | url =https://www.app.pan.pl/archive/published/app46/app46-519.pdf?sequence=3&isAllowed=y | journal =Acta Palaeontologica Polonica | volume = 46 | issue = 4 | pages = 519–532 }}

Gen. nov et Sp. nov.

Valid ?

Andrei Elzanowski

Late Jura

Portlandian

Solnhofer Plattenkalk

{{Flag|Germany}}:

A new name for Archaeopteryx lithographica von Meyer, 1861, specimen No 6, the "Solnhofer specimen".

Yanornis martini {{Cite journal|author1=Zhou, Z.|author2=Zhang, F.|year=2001|title=Two new ornithurine birds from the Early Cretaceous of western Liaoning, China|url=http://www.ivpp.ac.cn/qt/papers/201206/P020120604520649848519.pdf|journal=Chinese Science Bulletin|volume=46|issue=15|pages=1258–1264|doi=10.1007/bf03184320|bibcode=2001ChSBu..46.1258Z|s2cid=132303803|access-date=2014-08-01|archive-url=https://web.archive.org/web/20150208204115/http://www.ivpp.ac.cn/qt/papers/201206/P020120604520649848519.pdf|archive-date=2015-02-08|url-status=dead}}

Gen. nov. et Sp. nov.

Valid

An Ornithuromorphae Chiappe, Ji, Ji et Norell, 1999, Yanornithiformes Zhou et Zhang, 2001, Yanornithidae Zhou et Zhang, 2001. The type species of the new genus.

Yixianornis grabaui

Gen. nov. et Sp. nov.

Valid

An Ornithuromorphae Chiappe, Ji, Ji et Norell, 1999, Yixianornithiformes Zhou et Zhang, 2006, Yixianornithidae Zhou et Zhang, 2006. The type species of the new genus.

=Newly named pterosaurs=

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

Name

! Status

! Authors

! Age

! Unit

! Location

! Notes

! Images

Haopterus{{Cite journal|author1=Wang, X. |author2=Lu, J.|year=2001|title=Discovery of a pterodactylid pterosaur from the Yixian Formation of western Liaoning, China|journal=Chinese Science Bulletin|volume=46|issue=13|pages=A3–A8|doi=10.1007/BF02900690|bibcode=2001ChSBu..46A...3X|s2cid=129300905}}

Valid

Wang
Lü

Early Cretaceou