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Anaspyroceras

Cephalopoda - Orthocerida - Dawsonoceratidae

Taxonomy
Anaspyroceras was named by Shimizu and Obata (1935) [Sepkoski's age data: O Llde D Sieg-u Sepkoski's reference number: 298,524]. It is not extant.

It was assigned to Orthoceratidae by Evans (1994); and to Dawsonoceratidae by Kröger and Isakar (2006) and Kröger (2008).

Synonymy list
YearName and author
1935Anaspyroceras Shimizu and Obata p. 4
1994Anaspyroceras Evans p. 18
2006Anaspyroceras Kröger and Isakar
2008Anaspyroceras Kröger

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassOrthoceratoideaZhuravleva 1994
orderOrthoceridaKuhn 1940
suborderOrthoceratina
familyDawsonoceratidae
genusAnaspyrocerasShimizu and Obata 1935

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