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Probactrosaurus gobiensis

Reptilia

Taxonomy
Probactrosaurus gobiensis was named by Rozhdestvensky (1966). Its type specimen is PIN AN SSR 2232/1 and is a 3D body fossil. Its type locality is Maortu (lower layer), which is in a Barremian/Albian terrestrial horizon in the Dashuigou Formation of China.

Synonyms
Synonymy list
YearName and author
1966Probactrosaurus gobiensis Rozhdestvensky p. 106
1966Probactrosaurus alashanicus Rozhdestvensky pp. 109-110 figs. 2-3
1974Probactrosaurus alashanicus Rozhdestvensky p. 147
1974Probactrosaurus gobiensis Rozhdestvensky p. 147
1975Probactrosaurus alashanicus Taquet p. 507
1975Probactrosaurus gobiensis Taquet p. 507
1977Probactrosaurus alashanicus Rozhdestvensky p. 113
1977Probactrosaurus gobiensis Rozhdestvensky p. 113
1981Probactrosaurus alashanicus Bartholomai and Molnar p. 343
1981Probactrosaurus gobiensis Bartholomai and Molnar p. 343
1983Probactrosaurus alashanicus Weishampel and Weishampel p. 44
1983Probactrosaurus gobiensis Weishampel and Weishampel p. 44
1986Probactrosaurus gobiensis Zhao p. 68
1990Probactrosaurus alashanicus Norman and Weishampel p. 530
1990Probactrosaurus gobiensis Norman and Weishampel p. 530
1992Probactrosaurus alashanicus Dong p. 165
1992Probactrosaurus gobiensis Dong p. 165
1998Probactrosaurus gobiensis Godefroit et al. p. 49
1999Probactrosaurus gobiensis Casanovas et al. p. 347
2001Probactrosaurus alashanicus Wang and Xu p. 1672
2001Probactrosaurus gobiensis Wang and Xu p. 1672
2002Probactrosaurus gobiensis Norman p. 116
2004Probactrosaurus alashanicus Norman p. 417
2004Probactrosaurus gobiensis Norman p. 417
2005Probactrosaurus gobiensis Buffetaut et al. p. 578
2006Probactrosaurus gobiensis Buffetaut et al. p. 30
2006Probactrosaurus gobiensis Prieto-Márquez et al. p. 938
2007Probactrosaurus gobiensis Evans and Reisz p. 385
2007Probactrosaurus gobiensis Gates et al. p. 925
2008Probactrosaurus gobiensis Chen et al. p. 310
2008Probactrosaurus gobiensis Irmis and Knoll p. 121
2008Probactrosaurus gobiensis Paul p. 201
2010Probactrosaurus gobiensis Amiot et al. p. 354
2010Probactrosaurus gobiensis Carpenter and Ishida p. 153
2010Probactrosaurus gobiensis McDonald et al. p. 33 fig. 39
2010Probactrosaurus gobiensis McDonald et al. p. 808 fig. 10
2010Probactrosaurus gobiensis Prieto-Márquez p. 5 fig. 2
2010Probactrosaurus gobiensis Prieto-Márquez and Norell p. 9
2010Probactrosaurus gobiensis Saegusa et al. p. 56
2011Probactrosaurus gobiensis Prieto-Márquez p. 63
2011Probactrosaurus gobiensis Wang et al. p. 137
2012Probactrosaurus gobiensis Averianov and Alifanov p. 519
2012Probactrosaurus gobiensis Godefroit et al. p. 551
2012Probactrosaurus gobiensis Godefroit et al. p. 15
2012Probactrosaurus gobiensis McDonald p. 2
2012Probactrosaurus gobiensis McDonald et al. p. 2
2012Probactrosaurus gobiensis Ramírez-Velasco et al. p. 390
2013Probactrosaurus gobiensis Cruzado-Caballero et al.
2013Probactrosaurus gobiensis Gasca et al. p. 71
2013Probactrosaurus gobiensis Zheng et al.
2014Probactrosaurus gobiensis McDonald et al. p. 46
2014Probactrosaurus gobiensis You et al. p. 74
2015Probactrosaurus gobiensis Shibata and Azuma p. 431
2015Probactrosaurus gobiensis Tan et al. p. 252
2016Probactrosaurus gobiensis Fuentes Vidarte et al. p. 436
2016Probactrosaurus gobiensis Kim et al. p. 13
2017Probactrosaurus gobiensis Cruzado-Caballero and Powell p. 11
2018Probactrosaurus gobiensis Gates et al. p. 5
2020Probactrosaurus gobiensis Dalla Vecchia p. 584
2022Probactrosaurus gobiensis Ji and Zhang p. 2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
—Dryomorpha
—Styracosterna
—Hadrosauriformes
—Hadrosauroidea()
genusProbactrosaurus
speciesgobiensis

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Probactrosaurus gobiensis Rozhdestvensky 1966
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Invalid names: Probactrosaurus alashanicus Rozhdestvensky 1966 [synonym]
Diagnosis
ReferenceDiagnosis
G. S. Paul 2008Emended diagnosis. Probably modest sized as adults. Overall lightly constructed. Premaxillary tip to anterior orbital rim/latter to paraccipital process tip length ratio ~1.1; dentary pre-coronoid process length/minimum depth ratio under 5. Premaxilla projects well below level of tooth rows, maxillary process is anteriorly shallow and posteriorly deep. Lateral temporal fenestra moderate in size. Posterior portion of jugal long. Quadrate tall, transversely narrow, shaft moderately curved, lateral foramen set high, dorso-posterior buttress small. Diastema short. Tooth positions 23 in dentary, incipient 3rd row in many positions, battery tightly packed. Posterior dorsal centra compressed antero-posteriorly. 6 fused sacrals. Scapula blade narrow, not strongly constricted at middle of blade, base rather narrow, acromion process placed rather dorsally and directed anteriorly. Deltopectoral crest of humerus distally placed, fairly large and incipiently hatchet shaped. *Forelimb very slender. Olecranon process moderate in size. Manus very narrow, *digits further abbreviated, *pollex spike and other unguals small. Main body of ilium deep. Prepubic process of pubis deep, postpubic process very short. Femoral shaft moderately curved. Metatarsal II shortened.