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Arkoceras

Cephalopoda - Tarphycerida - Trocholitidae

Taxonomy
Arkoceras was named by Ulrich et al. (1942) [Sepkoski's age data: O Aren-u O Llvi Sepkoski's reference number: 298]. Its type is Arkoceras exiguum.

It was assigned to Trocholitidae by Ulrich et al. (1942), Teichert et al. (1964) and Crick (1981); and to Tarphyceratida by Sepkoski (2002).

Species
A. exiguum (type species)

Synonymy list
YearName and author
1942Arkoceras Ulrich et al.
1964Arkoceras Teichert et al. p. 360
1981Arkoceras Crick p. 228
2002Arkoceras Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
subclassMulticeratoidea()
orderTarphycerida()
familyTrocholitidaeChapman 1857
genusArkoceras

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.

G. †Arkoceras Ulrich et al. 1942
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Arkoceras exiguum Ulrich et al. 1942
Diagnosis
No diagnoses are available