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Prototoceras pachygyrum

Cephalopoda - Ceratitida - Araxoceratidae

Taxonomy
Prototoceras pachygyrum was named by Zhao et al. (1978). Its type specimen is NIGP 34286 and is a 3D body fossil. Its type locality is Beihuashan, Anfu County, which is in a Wuchiapingian marine siliciclastic in the Loping Formation of China.

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1978Prototoceras pachygyrum Zhao et al. p. 96 figs. Pl 4, figs 1-3; text-fig 48a

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea(Zittel 1884)
orderCeratitidaHyatt 1884
suborderOtoceratinaShevyrev and Ermakova 1979
superfamilyOtoceratoidea(Hyatt 1900)
familyAraxoceratidaeRuzhencev 1959
subfamilyAraxoceratinaeRuzhencev 1959
genusPrototocerasSpath 1930
speciespachygyrum

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
No diagnoses are available