2014 in archosaur paleontology

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This article records new taxa of fossil archosaurs of every kind that are scheduled described during the year 2014, as well as other significant discoveries and events related to paleontology of archosaurs that are scheduled to occur in the year 2014.

Research

New taxa

Name Novelty Status Authors Age Unit Location Notes Images

Allodaposuchus palustris[6]

Sp. nov

Valid

Blanco et al.

Late Cretaceous (early Maastrichtian)

Tremp Formation

Spain

A eusuchian crocodylomorph, a species of Allodaposuchus.

Anthracosuchus[7]

Gen. et sp. nov

Valid

Hastings, Bloch & Jaramillo

Paleocene

Cerrejón Formation

Colombia

A dyrosaurid crocodyliform. The type species is Anthracosuchus balrogus.

Aplestosuchus[8]

Gen. et sp. nov

Valid

Godoy et al.

Late Cretaceous

Adamantina Formation

Brazil

A baurusuchid crocodylomorph. The type species is Aplestosuchus sordidus.

Caipirasuchus stenognathus[9]

Sp. nov

Valid

Pol et al.

Late Cretaceous

Adamantina Formation

Brazil

A sphagesaurid crocodylomorph, a species of Caipirasuchus.

Diplocynodon remensis[10]

Sp. nov

Valid

Martin et al.

Late Paleocene

France

A member of Alligatoroidea, a species of Diplocynodon.

Machimosaurus buffetauti[11]

Sp. nov

Valid

Young et al.

Late Jurassic (Kimmeridgian)

France
Germany
Poland?
United Kingdom?

A teleosaurid crocodylomorph, a species of Machimosaurus. Considered to be a junior synonym of Machimosaurus hugii by Martin, Vincent & Falconnet (2015).[12]

Nundasuchus[13]

Gen. et sp. nov

Valid

Nesbitt et al.

Middle Triassic (Anisian)

Manda Beds

Tanzania

A member of Archosauriformes of uncertain phylogenetic placement, possibly a pseudosuchian. The type species is Nundasuchus songeaensis.

Polesinesuchus[14]

Gen. et sp. nov

Disputed

Roberto-da-Silva et al.

Late Triassic

Santa Maria Formation

Brazil

An aetosaur. The type species is Polesinesuchus aurelioi. Paes-Neto et al. (2021) proposed that P. aurelioi is a junior synonym of Aetosauroides scagliai.[15]

Rukwasuchus[16]

Gen. et sp. nov

Valid

Sertich & O'Connor

Cretaceous (Aptian to Cenomanian)

Galula Formation

Tanzania

A peirosaurid crocodyliform. The type species is Rukwasuchus yajabalijekundu.

Sahitisuchus[17]

Gen. et sp. nov

Valid

Kellner, Pinheiro & Campos

Paleocene (Itaboraian)

Itaboraí Formation

Brazil

A sebecid crocodylomorph. The type species is Sahitisuchus fluminensis.

Wannchampsus[18]

Gen. et sp. nov

Valid

Adams

Early Cretaceous (late Aptian)

Twin Mountains Formation

United States

A paralligatorid neosuchian crocodylomorph. The type species is Wannchampsus kirpachi.

Non-avian dinosaurs

Research

  • A study on the patterns of body size evolution in dinosaurs is published by Benson et al. (2014).[19]
  • A study of size changes and rates of anatomical innovation in the theropod lineage ancestral to birds is published by Lee et al. (2014).[20]
  • A study of evolution of body size and forelimb length in birds and nov-avian coelurosaurian theropods is published by Puttick, Thomas and Benton (2014).[21]
  • A phylogenetic analysis of bird and non-avian coelurosaurian theropod relationships and a study of rates of morphological evolution and changes in morphological disparity across the dinosaur-bird transition is published by Brusatte et al. (2014).[22]
  • A description of abelisaurid teeth from the Late Jurassic Lourinhã Formation of Portugal and a phylogenetic analysis of theropod relationships based on dental characters is published by Hendrickx and Mateus (2014).[23]
  • A study of theropod diversity in the Cretaceous (Aptian-Albian) of Tunisia is published by Fanti et al. (2014).[24]
  • A juvenile specimen of Megaraptor namunhuaiquii is described by Porfiri et al. (2014).[25]
  • A study of European fossil record of Ornithomimosauria is published by Allain et al. (2014).[26]
  • A study on the morphological variability and function of manual claws in theropod dinosaurs, especially in therizinosaurs, is published by Lautenschlager (2014).[27]
  • A study of flight ability in some non-avian paravian theropods is published by Sorkin (2014).[28]
  • "Saurornitholestes" robustus, initially thought to be a dromaeosaurid, is reinterpreted as a troodontid by Evans et al. (2014).[29]
  • A well-preserved specimen of Microraptor zhaoianus is described by Pei et al. (2014).[30]
  • A study of anatomy and phylogenetic relationships of Antetonitrus ingenipes is published by McPhee et al. (2014).[31]
  • A study on the differences in skull anatomy of Diplodocus and Camarasaurus, and on their implications for inferring possible niche partitioning between Late Jurassic sauropod taxa known from the Morrison Formation, is published by Button, Rayfield & Barrett (2014).[32]
  • Fragmentary partial skeleton of a small sauropod belonging to the genus Haplocanthosaurus collected from the Rocky Mountains of central Colorado is described by Foster & Wedel (2014).[33]
  • The purported size of the holotype vertebra of Amphicoelias fragillimus is reevaluated by Woodruff and Foster (2014).[34]
  • A study of phylogenetic relationships of Lourinhasaurus alenquerensis is published by Mocho, Royo-Torres and Ortega (2014).[35]
  • A study of anatomy and phylogenetic relationships of Aragosaurus ischiaticus is published by Royo-Torres et al. (2014).[36]
  • A study of titanosaur osteoderms from the Upper Cretaceous Lo Hueco site in Cuenca, Spain is published by Vidal, Ortega and Sanz (2014).[37]
  • A study of species richness of South American titanosaur assemblages during the Late Cretaceous is published by Vieira et al. (2014).[38]
  • A study of the effect of intervertebral cartilage on neck posture of sauropod dinosaurs is published by Taylor (2014).[39]
  • A study of the dentition of Manidens condorensis is published by Becerra et al. (2014).[40]
  • A study of the postcranial anatomy of Heterodontosaurus tucki is published by Galton (2014).[41]
  • A study of the impact of osteoderm placement on the centre of mass of stegosaurs is published by Mallison (2014).[42]
  • A study of Early Cretaceous Spanish iguanodont ornithopod diversity and a description of new remains referrable to Delapparentia is published by Gasca, Canudo and Moreno-Azanza (2014).[43]
  • A specimen of Edmontosaurus regalis with remains of a soft-tissue cranial crest is described by Bell et al. (2014).[44]
  • A juvenile specimen of Edmontosaurus annectens is described by Prieto-Márquez (2014).[45]
  • An assemblage of Psittacosaurus juveniles associated with a larger specimen from the Lujiatun beds of the Yixian Formation in Liaoning, China is described by Hedrick et al. (2014).[46]
  • An aggregation of four juveniles of Protoceratops andrewsi from the Tugrikin Shire locality of the Djadokhta Formation in Central Gobi region, Mongolia and two associated subadults of the same species from the same locality are described by Hone et al. (2014).[47]
  • A study of ontogenetic changes in the craniofacial skeleton of Centrosaurus apertus is published by Frederickson and Tumarkin-Deratzian (2014).[48]
  • A new specimen attributable to Arrhinoceratops brachyops is described by Mallon et al. (2014).[49]
  • A study on the evolution of species belonging to the genus Triceratops, as indicated by their morphological variation and stratigraphic data from the Hell Creek Formation (Montana, United States), is published by Scannella et al. (2014).[50]
  • A new specimen of Spinosaurus is described by Ibrahim et al., with a controversial reconstruction of Spinosaurus as a quadrupedal semi-aquatic genus.[51]
  • Two new specimens of the previous enigma Deinocheirus are described and analysed by Lee et al. (2014).[52]
  • A tiny theropod was found in the South Korea. (2014)

New taxa

Name Novelty Status Authors Age Unit Location Notes Images

Adelolophus[53]

Gen. et sp. nov

Valid

Gates et al.

Late Cretaceous (Campanian)

Wahweap Formation

United States

A lambeosaurine hadrosaurid. The type species is Adelolophus hutchisoni.

Allosaurus lucasi[54]

Sp. nov

Disputed

Dalman

Late Jurassic (Tithonian)

Morrison Formation

United States

An allosauroid theropod, a species of Allosaurus. Study in 2020 considered this species invalid.[55]

Amargastegos[56]

Gen. et sp. nov

Disputed

Ulansky

Early Cretaceous (Barremian-early Aptian)

La Amarga Formation

Argentina

A stegosaur. The type species is Amargastegos brevicollus. According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature.[57]

Andhrasaurus[56]

Gen. et. sp. nov

Disputed

Ulansky

Early Jurassic (Pliensbachian-Toarcian)

Kota Formation

India

A basal thyreophoran. The type species is Andhrasaurus indicus. According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature.[57]

Anzu[58]

Gen. et sp. nov

Valid

Lamanna et al.

Late Cretaceous (late Maastrichtian)

Hell Creek Formation

United States

A caenagnathid theropod. The type species is Anzu wyliei.

Aquilops[59]

Gen. et sp. nov

Valid

Farke et al.

Early Cretaceous (Albian)

Cloverly Formation

United States

A basal member of Neoceratopsia. The type species is Aquilops americanus.

Arcovenator[60]

Gen. et sp. nov

Valid

Tortosa et al.

Late Cretaceous (late Campanian)

France

An abelisaurid theropod. The type species is Arcovenator escotae.

Camarillasaurus[61]

Gen. et sp. nov

Valid

Sánchez-Hernández & Benton

Early Cretaceous (early Barremian)

Camarillas Formation

Spain

A theropod dinosaur; originally described as a basal ceratosaurian, but subsequently reinterpreted as a spinosaurid.[62] The type species is Camarillasaurus cirugedae.

Changyuraptor[63]

Gen. et sp. nov

Valid

Han et al.

Early Cretaceous

Yixian Formation

China

A microraptorine dromaeosaurid theropod. The type species is Changyuraptor yangi.

Chuanqilong[64]

Gen. et sp. nov

Valid

Han et al.

Early Cretaceous (Aptian)

Jiufotang Formation

China

An ankylosaurid. The type species is Chuanqilong chaoyangensis.

Chungkingosaurus giganticus[56]

Sp. nov

Disputed

Ulansky

Late Jurassic (Oxfordian)

Shangshaximiao Formation

China

A huayangosaurid, a species of Chungkingosaurus. According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature.[57]

Chungkingosaurus magnus[56]

Sp. nov

Disputed

Ulansky

Late Jurassic (Oxfordian)

Shangshaximiao Formation

China

A huayangosaurid, a species of Chungkingosaurus. According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature.[57]

Datanglong[65]

Gen. et sp. nov

Valid

Mo et al.

Early Cretaceous

Xinlong Formation

China

A carcharodontosaur theropod. The type species is Datanglong guangxiensis.

Dreadnoughtus[66]

Gen. et sp. nov

Valid

Lacovara et al.

Late Cretaceous (Campanian or Maastrichtian)

Cerro Fortaleza Formation

Argentina

A titanosaurian sauropod. The type species is Dreadnoughtus schrani.

Eoplophysis[56]

Gen. et comb. nov

Disputed

Ulansky

Middle Jurassic (Bathonian)

Cornbrash Formation

England

A stegosaur; a new genus for "Omosaurus" vetustus von Huene (1910). According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature.[57]

Eousdryosaurus[67]

Gen. et sp. nov

Valid

Escaso et al.

Late Jurassic

Alcobaça Formation

Portugal

A dryosaurid ornithopod. The type species is Eousdryosaurus nanohallucis.

Ferganastegos[56]

Gen. et sp. nov

Disputed

Ulansky

Middle Jurassic (Callovian)

Balabansai Formation

Kyrgyzstan

A stegosaur. According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature.[57]

Fosterovenator[68]

Gen. et sp. nov

Valid

Dalman

Late Jurassic (Kimmeridgian/Tithonian)

Morrison Formation

United States

A theropod dinosaur. The type species is Fosterovenator churei.

Gobivenator[69]

Gen. et sp. nov

Valid

Tsuihiji et al.

Late Cretaceous (Campanian)

Djadochta Formation

Mongolia

A troodontid theropod. The type species is Gobivenator mongoliensis.

Gongpoquansaurus[70]

Gen. et comb. nov

Valid

You, Li & Dodson

Early Cretaceous (Albian)

Zhonggou Formation

China

A non-hadrosaurid hadrosauroid; a new genus for "Probactrosaurus" mazongshanensis Lü (1997).

Huangshanlong[71]

Gen. et sp. nov

Valid

Huang et al.

Middle Jurassic

Hongqin Formation

China

A mamenchisaurid sauropod. The type species is Huangshanlong anhuiensis.

Kulindadromeus[72]

Gen. et sp. nov

Valid

Godefroit et al.

Middle or Late Jurassic (Bajocian to Tithonian)

Ukureyskaya Formation

Russia

A non-cerapodan neornithischian. The type species is Kulindadromeus zabaikalicus.

Laquintasaura[73]

Gen. et sp. nov

Valid

Barrett et al.

Early Jurassic

La Quinta Formation

Venezuela

A basal ornithischian. The type species is Laquintasaura venezuelae.

Leinkupal[74]

Gen. et sp. nov

Valid

Gallina et al.

Early Cretaceous (late Berriasian to Valanginian)

Bajada Colorada Formation

Argentina

A diplodocine diplodocid sauropod. The type species is Leinkupal laticauda.

Mercuriceratops[75]

Gen. et sp. nov

Valid

Ryan et al.

Late Cretaceous (Campanian)

Dinosaur Park Formation
Judith River Formation

Canada
United States

A chasmosaurine ceratopsid. The type species is Mercuriceratops gemini.

Nanuqsaurus[76]

Gen. et sp. nov

Valid

Fiorillo & Tykoski

Late Cretaceous (Maastrichtian)

Prince Creek Formation

United States

A tyrannosaurid theropod. The type species is Nanuqsaurus hoglundi.

Natronasaurus[56]

Gen. et comb. nov

Disputed

Ulansky

Late Jurassic (Kimmeridgian-Tithonian)

Morrison Formation

United States

A stegosaurid; a new genus for "Stegosaurus" longispinus Gilmore (1914). According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature; Galton and Carpenter made "S." longispinus the type species of a new genus Alcovasaurus.[57]

Panguraptor[77]

Gen. et sp. nov

Valid

You et al.

Early Jurassic

Lufeng Formation

China

A coelophysoid theropod. The type species is Panguraptor lufengensis.

Pentaceratops aquilonius[78]

Sp. nov

Valid

Longrich

Late Cretaceous (late Campanian)

Dinosaur Park Formation

Canada

A ceratopsid, a species of Pentaceratops.

Plesiohadros[79]

Gen. et sp. nov

Valid

Tsogtbaatar et al.

Late Cretaceous (probably late Campanian)

Djadochta Formation Beds of Alag Teeg

Mongolia

A non-hadrosaurid hadrosauroid. The type species is Plesiohadros djadokhtaensis.

Qianzhousaurus[80]

Gen. et sp. nov

Valid

et al.

Late Cretaceous (Maastrichtian)

China

A tyrannosaurid theropod. The type species is Qianzhousaurus sinensis.

Quetecsaurus[81]

Gen. et sp. nov

Valid

González Riga & Ortiz David

Late Cretaceous (Turonian)

Cerro Lisandro Formation

Argentina

A titanosaur sauropod related to Mendozasaurus and Futalognkosaurus. The type species is Quetecsaurus rusconii.

Rhinorex[82]

Gen. et sp. nov

Valid[82]

Gates & Scheetz

Late Cretaceous (Campanian)

Neslen Formation

United States

A saurolophine hadrosaurid. The type species is Rhinorex condrupus.

Rhinorex

Rukwatitan[83]

Gen. et sp. nov

Valid

Gorscak et al.

Cretaceous (Aptian to Cenomanian)

Galula Formation

Tanzania

A titanosaur sauropod. The type species is Rukwatitan bisepultus.

Rukwatitan

Saldamosaurus[56]

Gen. et sp. nov

Disputed

Ulansky

Late Jurassic

Saldam Formation

Russia

A stegosaur. The type species is Saldamosaurus tuvensis. According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature.[57]

Scelidosaurus arizonensis[56]

Sp. nov

Disputed

Ulansky

Early Jurassic (?Sinemurian-Pliensbachian)

Kayenta Formation

United States

A basal thyreophoran, a species of Scelidosaurus. According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature.[57]

Siamodracon[56]

Gen. et sp. nov

Disputed

Ulansky

Late Jurassic

Phu Kradung Formation

Thailand

A stegosaur. The type species is Siamodracon altispinus. According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature.[57]

Sinopeltosaurus[56]

Gen. et sp. nov

Disputed

Ulansky

Early Jurassic (Hettangian-Pliensbachian)

Lufeng Formation

China

A basal thyreophoran. The type species is Sinopeltosaurus minimus. According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature.[57]

Tachiraptor[84]

Gen. et sp. nov

Valid

Langer et al.

Earliest Jurassic

La Quinta Formation

Venezuela

A stem-averostran theropod. The type species is Tachiraptor admirabilis.

Tambatitanis[85]

Gen. et sp. nov

Valid

Saegusa and Ikeda

Early Cretaceous (probably early Albian)

Ohyamashimo Formation

Japan

A titanosauriform sauropod, a member of Somphospondyli. The type species is Tambatitanis amicitiae.

Torvosaurus gurneyi[86]

Sp. nov

Valid

Hendrickx & Mateus

Late Jurassic (late Kimmeridgian)

Lourinhã Formation

Portugal

A megalosauroid theropod, a species of Torvosaurus.

Torvosaurus

Vahiny[87]

Gen. et sp. nov

Valid

Curry Rogers & Wilson

Late Cretaceous

Maevarano Formation

Madagascar

A titanosaur sauropod. The type species is Vahiny depereti.

Wuerhosaurus mongoliensis[56]

Sp. nov.

Disputed

Ulansky

Early Cretaceous (Aptian-Albian)

Khukhtyk Formation

Mongolia

A stegosaur, a species of Wuerhosaurus. According to Galton and Carpenter (2016) it did not meet the requirements of the International Code of Zoological Nomenclature.[57]

Yongjinglong[88]

Gen. et sp. nov

Valid

Li et al.

Early Cretaceous

Hekou Group

China

A titanosaur sauropod. The type species is Yongjinglong datangi.

Zaraapelta[89]

Gen. et sp. nov

Valid

Arbour, Currie & Badamgarav

Late Cretaceous

Barun Goyot Formation

Mongolia

A member of Ankylosauridae. The type species is Zaraapelta nomadis.

Zby[90]

Gen. et sp. nov

Valid

Mateus, Mannion & Upchurch

Late Jurassic (late Kimmeridgian)

Lourinhã Formation

Portugal

A turiasaurian sauropod. The type species is Zby atlanticus.

Zby

Zhanghenglong[91]

Gen. et sp. nov

Valid

Xing et al.

Late Cretaceous (Santonian)

Majiacun Formation

China

A non-hadrosaurid hadrosauroid ornithopod. The type species is Zhanghenglong yangchengensis.

Zhanghenglong

Ziapelta[92]

Gen. et sp. nov

Valid

Arbour et al.

Late Cretaceous (late Campanian)

Kirtland Formation

United States

An ankylosaurid. The type species is Ziapelta sanjuanensis.

Ziapelta

Birds

Pterosaurs

References

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