2001 in paleontology

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List of years in paleontology
In science
1998
1999
2000
2001
2002
2003
2004

Paleontology or palaeontology (from Greek: paleo, "ancient"; ontos, "being"; and logos, "knowledge") is the study of prehistoric life forms on Earth through the examination of plant and animal fossils.[1] This includes the study of body fossils, tracks (ichnites), burrows, cast-off parts, fossilised feces (coprolites), palynomorphs and chemical residues. Because humans have encountered fossils for millennia, paleontology has a long history both before and after becoming formalized as a science. This article records significant discoveries and events related to paleontology that occurred or were published in the year 2001.

Plants[edit]

Pteridophyta[edit]

Name Novelty Status Authors Age Unit Location Notes Images

Wessiea[2]

gen et sp nov

Valid

Pigg & Rothwell

Langhian (Middle Miocene)

"Ho ho" site, Grande Ronde Basalt.

 USA

A fern, type sp W. yakimaensis

Conifers[edit]

Name Novelty Status Authors Age Unit Location Notes Images

Metasequoia foxii[3]

sp nov

Valid

Stockey, Rothwell, & Falder

late Tiffanian

Munce's Hill and Gao mine sites, Paskapoo Formation

 Canada

Angiosperms[edit]

Name Novelty Status Authors Age Unit Location Notes Images

Trochodendron nastae[4]

sp nov

Valid

Pigg, Wehr, & Ickert-Bond

Ypresian

Tom Thumb Tuff, Klondike Mountain Formation

 USA

Arthropods[edit]

Newly named insects[edit]

Name Status Authors Age Unit Location Notes Images

Electromyrmococcus[5]

Valid

Burdigalian (Miocene)

Dominican amber

 Dominican Republic

Tainosia[6]

Valid

  • Szwedo
  • Stroiński

Burdigalian (Miocene)

Dominican amber

 Dominican Republic

Fishes[edit]

Newly named bony fishes[edit]

Name Status Authors Age Unit Location Notes Images

Achoania[7]

Valid

  • Zhu
  • Yu
  • Ahlberg

Early Devonian

Xitun Formation

 China

The type species is Achoania jarvikii.

Westollrhynchus[8]

Valid

  • Schultze

Early Devonian

Bear Rock Formation

 Canada

A new genus for "Speonesydrion" lehmanni.

Amphibians[edit]

Newly named amphibians[edit]

Name Status Authors Age Unit Location Notes Images

Mesophryne[9]

Valid

  • Gao
  • Shubin

Late Jurassic

Yixian Formation

 China

The type species is Mesophryne beipiaoensis.

Nezpercius[10]

Valid

  • Blob
  • Carrano
  • Rogers
  • Forster
  • Espinoza

Upper Cretaceous

Judith River Formation

 USA

The type species is Nezpercius dodsoni.

Sinerpeton[9]

Valid

  • Gao
  • Shubin

Late Jurassic

Zhangjiakou Formation

 China

The type species is Sinerpeton fengshanensis.

Ichthyosaurs[edit]

Name Status Authors Age Unit Location Notes Images

Metashastasaurus[11]

Synonymy

  • Nichollis
  • Manabe

Late Triassic

Pardonet Formation

 Canada

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

Turtles[edit]

Newly named turtles[edit]

Name Status Authors Age Unit Location Notes Images

Caribemys[12]

Valid

  • de la Fuente
  • Iturralde-Vinent

Upper Jurassic

Jagua Formation

 Cuba

The type species is Caribemys oxfordiensis.

Cearachelys[13]

Valid

  • Gaffney
  • Campos
  • Hirayama

Early Cretaceous

Santana Formation

 Brazil

The type species is Cearachelys placidoi.

Kurmademys[14]

Valid

  • Gaffney
  • Chatterjee
  • Rudra

Late Cretaceous

Kallamedu Formation

 India

The type species is Kurmademys kallamedensis.

Lepidosauromorphs[edit]

Newly named basal lepidosauromorphs[edit]

Name Status Authors Age Unit Location Notes Images

Hypuronector[15]

Valid

  • Colbert
  • Olsen

Late Triassic

Lockatong Formation

 USA

The type species is Hypuronector limnaios.

Newly named plesiosaurs[edit]

Name Status Authors Age Unit Location Notes Images

Hauffiosaurus[16]

Valid

  • O'Keefe

Lower Jurassic

Posidonia Shale Formation

 Germany

The type species is Hauffiosaurus zanoni.

Newly named sphenodonts[edit]

Name Status Authors Age Unit Location Notes Images

Godavarisaurus[17]

Valid

  • Evans
  • Prasad
  • Manhas

Early Jurassic

Kota Formation

 India

The type species is Godavarisaurus latefi.

Rebbanasaurus[17]

Valid

  • Evans
  • Prasad
  • Manhas

Early Jurassic

Kota Formation

 India

The type species is Rebbanasaurus jani.

Archosauromorphs[edit]

Newly named basal archosauromorphs[edit]

Name Status Authors Age Unit Location Notes Images

Yonghesuchus[18]

Valid

  • Wu
  • Liu
  • Li

Upper Triassic

Tongchuan Formation

 China

The type species is Yonghesuchus sangbiensis.

Newly named crurotarsans[edit]

Name Status Authors Age Unit Location Notes Images

Pabwehshi[19]

Valid

  • Wilson
  • Malkani
  • Gingerich

Upper Cretaceous

Pab Formation

 Pakistan

The type species is Pabwehshi pakistanensis.

Rugosuchus[20]

Valid

  • Wu
  • Wu
  • Russell

Lower Cretaceous

?Nenjiang Formation

 China

The type species is Rugosuchus nonganensis.

Stratiotosuchus[21]

Valid

  • Campos
  • Suarez
  • Riff
  • Kellner

Upper Cretaceous

Adamantina Formation

 Brazil

The type species is Stratiotosuchus maxhechti.

Newly named dinosaurs[edit]

Data courtesy of George Olshevsky's dinosaur genera list.[22]

Name Status Authors Age Unit Location Notes Images

Aletopelta[23]

Valid taxon

Ford
James Kirkland

Point Loma Formation

 USA

A 20-foot-long (6.1 m) ankylosaurid. Apparently, before being fossilized, the animal's bloated carcass had floated out to sea and formed a miniature reef environment after it sunk to the bottom.

Masiakasaurus had a unique jaw configuration with projecting teeth.
Bienosaurus[24] Valid taxon

Dong Zhiming

Lower Lufeng Formation

 China

A primitive scelidosaurid known from scant remains.

Cedarpelta[25] Valid taxon

Kenneth Carpenter
James Kirkland
et al.[CAL 1]

Cedar Mountain Formation

 USA

The most basal known ankylosaurid.

Citipati[26] Valid taxon

James M. Clark
Mark Norell
Rinchen Barsbold

Djadokhta Formation

 Mongolia

A relatively large oviraptorid known to brood its nests.

Draconyx[27] Valid taxon

Octávio Mateus
Antunes

Lourinhã Formation

 Portugal

A relative of Camptosaurus.

Eotyrannus[28] Valid taxon

Hutt
Naish
et al.[CAL 2]

Wessex Formation

 UK

A twenty-foot tyrannosauroid.

Eshanosaurus[29] Valid taxon

Xu Xing
Zhao Xijin
James M. Clark

Lower Lufeng Formation

 China

A therizinosaur, possibly the earliest known coelurosaur.

Gobisaurus[30] Valid taxon

Matthew K. Vickaryous
Anthony P. Russell
et al.[CAL 3]

Ulansuhai Formation

 China

An ankylosaurid that resembled Shamosaurus.

"Hanwulosaurus"[31] Nomen nudum

Anonymous

 China

A thirty-foot ankylosaur.

"Heilongjiangosaurus"[32] Nomen nudum

Li W.
Jin J.

 China

A hadrosaur, possibly synonymous with Charonosaurus.

Hesperosaurus[33] Valid taxon

Kenneth Carpenter
Miles
Cloward

Morrison Formation

 USA

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

Jiangshanosaurus[34] Valid taxon

Tang F.
Kang
et al.[CAL 4]

 China

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

Jinzhousaurus[35] Valid taxon

Wang X.
Xu Xing

Yixian Formation

 China

A hadrosauroid known from a nearly complete skeleton.

Khaan[26] Valid taxon

James M. Clark
Mark Norell
Rinchen Barsbold

Djadochta Formation

 Mongolia

A fairly typical oviraptorid once misidentified as Ingenia.

"Kittysaurus" Junior synonym of Eotyrannus

Hargreaves

Wessex Formation

 UK

Liaoningosaurus[36] Valid taxon

Xu Xing
Wang X.
You

Yixian Formation

 China

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.

Losillasaurus[37] Valid taxon

Maria Lourdes Casanovas-Cladellas
Santafe
Sanz

Villar del Arzobispo Formation

 Spain

A large turiasaur known from a partial subadult skeleton.

Masiakasaurus[38] Valid taxon

Sampson
Carrano
Forster

Late Cretaceous (Maastrichtian)

Maevarano Formation

 Madagascar

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

Megapnosaurus[39] Valid taxon

Ivie
Slipinski
Wegrzynowicz

 South Africa
 Zimbabwe

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

Neimongosaurus[40] Valid taxon

Zhang X. H.
Xu Xing
et al.[CAL 5]

Iren Dabasu Formation

 China

A therizinosaur about 2.3 meters in length.

Nothronychus[41] Valid taxon

James Kirkland Wolfe

Late Cretaceous (Turonian)

Moreno Hill Formation

 USA

A therizinosaur.

Paralititan[42] Valid taxon

J. B. Smith
Lamanna
et al.[CAL 6]

Bahariya Formation

 Egypt

A titanosaur and of the most massive dinosaurs ever discovered, with an estimated weight of 59 tonnes (65 short tons) and length of around 26 meters (85 ft).

Planicoxa[43] Valid taxon

DiCroce
Kenneth Carpenter

Cedar Mountain Formation

 USA

An advanced iguanodontian.

Pukyongosaurus[44] Valid taxon

Dong Zhiming
Paik
Kim H. J.

Hasandong Formation

 South Korea

A titanosauriform related to Euhelopus.

Quilmesaurus[45] Valid taxon

Rodolfo Coria

Allen Formation

 Argentina

A 5–6 meter (16–20 feet) theropod known from a partial leg.

Rapetosaurus[46] Valid taxon

Kristina Curry-Rogers
Catherine A. Forster

Late Cretaceous (Maastrichtian)

Maevarano Formation

 Madagascar

A 15 metres (49 ft) titanosaur.

Ruehleia[47] Valid taxon

Peter Galton.

Knollenmergel

 Germany

A prosauropod named for Hugo Ruehle von Lilienstern.

Wellnhoferia[48]

Valid non-dinosaurian taxon.

Andrzej Elżanowski

Solnhofen Limestone

 Germany

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

Venenosaurus[49] Valid taxon

Tidwell
Kenneth Carpenter
S. Meyer

Early Cretaceous (early Aptian)

Cedar Mountain Formation (Poison Strip Member)

 USA

A relatively small (probably around 10 m (33 ft) 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"[50] Nomen nudum

Ouyang vide: Anonymous

 China

A undescribed sauropod.

Yunxianosaurus[51] Valid taxon

Li

Late Cretaceous

 China

A titanosaur sauropod.

Newly named birds[edit]

Name Novelty Status Authors Age Unit Location Notes Images

Aegypius prepyrenaicus [52]

Sp. nov.

Valid ?

Hernández Carrasquilla

Late Pleistocene

Cave depositions

 Spain:

 Aragon

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

Apsaravis ukhaana [53]

Gen. nov. et Sp. nov.

Valid

Mark A. Norell

Julia A. Clarke

Late Cretaceous

Djadokhta Formation

 Mongolia

The type species of the new genus.

Belgirallus minutus [54]

Sp. nov.

Valid

Gerald Mayr

Richard Smith

Early Oligocene

MP 21

 Belgium:

 Flemish Brabant

A Rallidae.

Belgirallus oligocaenus [54]

Gen. nov. et Sp. nov.

Valid

Gerald Mayr

Richard Smith

Early Oligocene

MP 21

 Belgium:

 Flemish Brabant

A Rallidae, the type species of the new genus.

Boutersemia belgica [54]

Gen. nov. et Sp. nov.

Valid

Gerald Mayr

Richard Smith

Early Oligocene

MP 21

 Belgium:

 Flemish Brabant

A Glareolidae, the type species of the new genus.

Boutersemia parvula [54]

Gen. nov. et Sp. nov.

Valid

Gerald Mayr

Richard Smith

Early Oligocene

MP 21

 Belgium:

 Flemish Brabant

A Glareolidae.

Calonectris krantzi [55]

Sp. nov.

Valid

Storrs L. Olson

Pamela C. Rasmussen

Early Pliocene

Yorktown Formation

 USA:

 North Carolina

A Procellariidae.

Collocalia buday [56]

Sp. nov.

Valid

Walter E. Boles

Early Miocene

Riversleigh

 Australia:

 Queensland

An Apodidae.

Ducula lakeba [57]

Sp. nov.

Valid

Trevor H. Worthy

Quaternary

Lakeba Island

 Fiji

A Columbidae.

Emuarius guljaruba [58]

Sp. nov.

Valid

Walter E. Boles

Late Oligocene

Etadunna Formation

 Australia:

 South Australia

A Dromaiidae.

Eocolius walkeri [59]

Gen. nov. et Sp. nov.

Valid

Gareth J. Dyke

David M. Waterhouse

Early Eocene

MP 8

 UK:

 England

A stem Coliiformes.

Eocrex tagusevae [60]

Sp. nov.

Valid

Andrei V. Panteleyev

Paleogene (Late Eocene-?Early Oligocene)

 Tajikistan

A Rallidae.

Falco kurochkini [61]

Sp. nov.

Valid

William Suárez Duque

Storrs L. Olson

Quaternary

Cave deposits

 Cuba

A Falconidae.

Fluvioviridavis platyrhamphus [62]

Gen. nov. et Sp. nov.

Valid

Gerald Mayr

Michael Daniels

Early Eocene

Green River Formation

 USA:

 Wyoming

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

Gavia fortis [55]

Sp. nov.

Valid

Storrs L. Olson

Pamela C. Rasmussen

Early Pliocene

Yorktown Formation

 USA:

 North Carolina

A Gaviidae.

Laputavis robusta [63]

Gen. nov. et Sp. nov.

Valid

Gareth J. Dyke

Early Eocene

Ypresian,

London Clay Formation,

MP 8

 UK:

 England

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

Limenavis patagonica[64]

Gen. nov. et Sp. nov.

Valid

Julia A. Clarke

Luis M. Chiappe

Late Cretaceous

Allen Formation

 Argentina

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

Natunaornis gigoura [57]

Gen. nov. et Sp. nov.

Valid

Trevor H. Worthy

Holocene

Viti Levu

 Fiji

A flightless Columbidae.

Phoebastria rexsularum [55]

Sp. nov.

Valid

Storrs L. Olson

Pamela C. Rasmussen

Early Pliocene

Yorktown Formation

 USA:

 North Carolina

A Diomedeidae.

Pica mourerae [65]

Sp. nov.

Valid

Bartomeu Seguí

Plio-Pleistocene

Majorca,

Balearic Islands

 Spain:

 Majorca

A Corvidae.

Podiceps howardae [66]

Sp. nov.

Valid

Robert W. Storer

Early Pliocene

Yorktown Formation

 USA:

 North Carolina

A Podicipedidae, possibly a synonym of Podiceps auritus.

Pseudoseisura cursor [67]

Sp. nov.

Valid

Eduardo P. Tonni

Jorge Noriega

Early Pleistocene

Ensenadan

 Argentina

A Furnariidae.

Pterodromoides minoricensis [68]

Gen. nov. et Sp. nov.

Valid

Bartomeu Seguí

Josep Quintana

Joan J. Fornos

Josep A. Alcover

Late Miocene-Pliocene

Early Pliocene

Minorca;

Yorktown Formation, North America

 Spain:

 Minorca;

 USA:

 North Carolina

A Procellariidae.

Rallus recessus [69]

Sp. nov.

Valid

Storrs L. Olson

David B. Wingate

Late Pleistocene

Bermuda

 Bermuda

A flightless Rallidae.

Wellnhoferia grandis [70]

Gen. nov et Sp. nov.

Valid ?

Andrei Elzanowski

Late Jura

Portlandian

Solnhofer Plattenkalk

 Germany:

 Bavaria

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

Yanornis martini [71]

Gen. nov. et Sp. nov.

Valid

Zhou Zhonghe

Fucheng Zhang

Early Createcous

Jiufotang Formation

 China

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 [71]

Gen. nov. et Sp. nov.

Valid

Zhou Zhonghe

Zhang Fucheng

Early Cretaceous

Jiufotang Formation

 China

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[edit]

Name Status Authors Age Unit Location Notes Images

Haopterus[72]

Valid

  • Wang

Early Cretaceou

Yixian Formation

 China

The type species is Haopterus gracilis.

Istiodactylus[73]

Valid

  • Howse
  • Milner
  • Martill

Early Cretaceous

Vectis Formation

 United Kingdom

A new genus for Ornithodesmus latidens.

Synapsids[edit]

Non-mammalian[edit]

Name Status Authors Age Unit Location Notes Images

Delectosaurus[74]

Valid

  • Kurkin

Late Permian

Vyazniki Assemblage

 Russia

A dicynodont. Two species are described Delectosaurus arefjevi and D. berezhanensis.

Interpresosaurus[74]

Valid

  • Kurkin

Late Permian

Vyazniki Assemblage

 Russia

A dicynodont. The type species is Interpresosaurus blomi.

Lumkuia[75]

Valid

  • Hopson
  • Kitching

Middle Triassic

Burgersdorp Formation

 South Africa

A cynodont. The type species is Lumkuia fuzzi.

Malasaurus[76]

Valid

  • Tatarinov

Late Triassic

Vyazniki Assemblage

 Russia

A therocephalian. The type species is Malasaurus germanus.

Mitredon[77]

Valid

  • Shapiro
  • Jenkins

Late Triassic

Fleming Fjord Formation

 Greenland

A cynodont. The type species is Mitredon cromptoni.

Prozostrodon[78]

Valid

  • Bonaparte
  • Barberena

Late Triassic

Santa Maria Formation

 Brazil

New genus for "Thrinaxodon" brasiliensis Barberena, Bonaparte & Sá Teixeira, 1987

Riograndia[79]

Valid

  • Bonaparte
  • Ferigolo
  • Ribeiro

Late Triassic

Caturrita Formation

 Brazil

A cynodont. The type species is Riograndia guaibensis.

Mammalian[edit]

Name Status Authors Age Unit Location Notes Images

Abdounodus [80]

Valid

  • Gheerbrant
  • Sudre

early Eocene

Ouled Abdoun Basin

 Morocco

A Mioclaneid condylarth assigned to Bulbulodentata. The type species is Abdounodus hamdii.

Ocepeia[80]

Valid

  • Gheerbrant
  • Sudre

early Eocene

Ouled Abdoun Basin

 Morocco

A condylarth assigned to Phenacodonta, later assigned to stem-Paenungulata. [81] The type species is Ocepeia daouiensis.

Footnotes[edit]

Complete author list[edit]

As science becomes more collaborative, papers with large numbers of authors are becoming more common. To prevent the deformation of the tables, these footnotes list the contributors to papers that erect new genera and have many authors.

  1. ^ Kenneth Carpenter, James Kirkland, Burge, Bird.
  2. ^ Hutt, Naish, Martill, Barker, Newberry.
  3. ^ Matthew K. Vickaryous, Anthony P. Russell, Phillip Currie, Zhao Xijin.
  4. ^ Tang F., Kang, Jin X., Wei, Wu W. T.
  5. ^ Zhang X. H., Xu Xing, Zhao X., Paul Sereno, Kuang, Tan L.
  6. ^ J. B. Smith, Lamanna, Lacovara, Dodson, J. R. Smith, Poole, Giegengack, Attia.

References[edit]

  1. ^ Gini-Newman, Garfield; Graham, Elizabeth (2001). Echoes from the past: world history to the 16th century. Toronto: McGraw-Hill Ryerson Ltd. ISBN 9780070887398. OCLC 46769716. 
  2. ^ Pigg, K.B. (2001). "Anatomically preserved Woodwardia virginica (Blechnaceae) and a new Filicalean fern from the Middle Miocene Yakima Canyon Flora of central Washington, USA". American Journal of Botany. 88 (5): 777–787. doi:10.2307/2657030. 
  3. ^ Stockey, R. A.; Rothwell, G. W.; Falder, A. B. (2001). "Diversity among Taxodioid Conifers: Metasequoia foxii sp. nov. from the Paleocene of Central Alberta, Canada". International Journal of Plant Sciences. 162 (1): 221–234. doi:10.1086/317914. 
  4. ^ Pigg, K.B.; Wehr, W.C.; Ickert-Bond, S.M. (2001). "Trochodendron and Nordenskioldia (Trochodendraceae) from the Middle Eocene of Washington State, U.S.A.". International Journal of Plant Sciences. 162 (5): 1187–1198. doi:10.1086/321927. 
  5. ^ Johnson, M.S.; et al. (2001). "Acropyga and Azteca Ants (Hymenoptera: Formicidae) with Scale Insects (Sternorrhyncha: Coccoidea): 20 Million Years of Intimate Symbiosis". American Museum Novitates. 3335: 1–18. doi:10.1206/0003-0082(2001)335<0001:AAAAHF>2.0.CO;2. 
  6. ^ Szwedo, J.; Stroiński, A. (2001). "Tainosia quisqueyae gen. and sp. nov. from the Oligocene/Miocene Dominican amber (Hemiptera: Fulgoroidea: Nogodinidae)" (PDF). Genus. 12 (1): 29–34. 
  7. ^ Zhu, M; Yu, X. & Ahlberg, P.E. (2001). "A primitive sacropterygian fish with an eyestock". Nature. 410 (6824): 81–84. doi:10.1038/35065078. 
  8. ^ Schultze, H.-P. (2001). "Melanognathus, a primitive dipnoan from the Lower Devonian of the Canadian Arctic and the interrelationships of Devonian dipnoans". Journal of Vertebrate Paleontology. 21 (4): 781–794. doi:10.1671/0272-4634(2001)021[0781:mapdft]2.0.co;2. 
  9. ^ a b Gao, K.-Q.; Shubin, N.H. (2001). "Late Jurassic salamanders from northern China". Nature. 410 (6828): 574–577. Bibcode:2001Natur.410..574G. doi:10.1038/35069051. PMID 11279493. 
  10. ^ Blob, R.W.; Carrano, M.T.; Rogers, R.R.; Forster, C.A. & Espinoza, N.R. (2001). "A new fossil frog from the Upper Cretaceous Judith River Formation of Montana". Journal of Vertebrate Paleontology. 21 (1): 190–194. doi:10.1671/0272-4634(2001)021[0190:ANFFFT]2.0.CO;2. 
  11. ^ Nichollis, E.L.; Manabe, M. (2001). "A new genus of ichthyosaur from the Late Triassic Pardonet Formation of British Columbia: bridging the Triassic-Jurassic gap". Canadian Journal of Earth Sciences. 38 (6): 983–1002. Bibcode:2001CaJES..38..983N. doi:10.1139/cjes-38-6-983. 
  12. ^ de la Fuente, M.S.; Iturralde-Vinent, M. (2001). "A new pleurodiran turtle from the Jagua Formation (Oxfordian) of western Cuba". Journal of Paleontology. 75 (4): 860–869. doi:10.1666/0022-3360(2001)075<0860:anptft>2.0.co;2. 
  13. ^ Gaffney, E.S.; de Almedia Campos, D. & Hirayama, R. (2001). "Cerachelys, a new side-necked turtle (Pelomedusoides: Bothremydidae) from the Early Cretaceous of Brazil". American Museum Novitates (3319): 1–20. 
  14. ^ Gaffney, E.S.; Chatterjee, S.; Rudra, D.K. (2001). "Kurmademys, a new side-necked turtle (Pelomedusoides: Bothremydidae) from the Late Cretaceous of India". American Museum Novitates (3321). 
  15. ^ Colbert, E.H.; Olsen, P.E. (2001). "A new and unusual aquatic reptile from the Lockatong Formation of New Jersey (Late Triassic, Newark Supergroup)". American Museum Novitates. 3334: 1–15. doi:10.1206/0003-0082(2001)334<0001:anauar>2.0.co;2. 
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