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Gobiconodon hopsoni

Mammalia - Eutriconodonta - Gobiconodontidae

Taxonomy
Gobiconodon hopsoni was named by Rougier et al. (2001). Its type specimen is PSS MAE 140, a maxilla (partial right maxilla preserving the last molariforms and fragments of the two preceding molariforms), and it is a 3D body fossil. Its type locality is Oshih, northern slopes of Arts Bogd, which is in a Valanginian/Neocomian terrestrial sandstone in the Oshih Formation of Mongolia.

Synonymy list
YearName and author
2001Gobiconodon hopsoni Rougier et al. pp. 6-9 figs. 1-2
2004Gobiconodon hopsoni Kielan-Jaworowska et al. pp. 219, 241-243
2016Gobiconodon hopsoni Kusuhashi et al. p. 16

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
RankNameAuthor
Cotylosauria()
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
orderEutriconodontaKermack et al. 1973
familyGobiconodontidae
genusGobiconodonTrofimov 1978
specieshopsoni

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.

Diagnosis
ReferenceDiagnosis
G. W. Rougier et al. 2001Large gobiconodontid with deep ectoflexus in a lingually positioned M5. Upper dental arcade forms a closer dental arch than in other species of Gobiconodon, with the last molariforms projecting medially more pronouncedly than in other species of Gobiconodon. Labial cingulum on the M5 broader than that of G. ostromi. Zygoma is deeper in G. hopsoni than in G. ostromi, and projects more posteriorly, closer to the alveolar margin. G. hopsoni is the largest species of Gobiconodon described so far (appendix 1).