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Arpaoceras

Cephalopoda - Pseudorthocerida - Pseudorthoceratidae

Taxonomy
Arpaoceras was named by Zhuravleva (1962) [Sepkoski's age data: D Fras Sepkoski's reference number: 299].

It was assigned to Cayutoceratinae by Teichert et al. (1964); and to Orthocerida by Sepkoski (2002).

Synonymy list
YearName and author
1962Arpaoceras Zhuravleva p. 89
1964Arpaoceras Teichert et al. p. 251
2002Arpaoceras Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
orderPseudorthocerida
familyPseudorthoceratidaeFlower and Caster 1935
subfamilyCayutoceratinaeFlower 1939
genusArpaocerasZhuravleva 1962

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