Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Cyrtactinoceras

Cephalopoda - Orthocerida - Proteoceratidae

Taxonomy
Cyrtactinoceras was named by Hyatt in Zittel (1900) [Sepkoski's age data: O Llvi S Ludl-u Sepkoski's reference number: 298,524].

It was assigned to Proteoceratidae by Flower (1962) and Teichert et al. (1964).

Synonymy list
YearName and author
1900Cyrtactinoceras Hyatt in Zittel p. 528
1962Cyrtactinoceras Flower
1964Cyrtactinoceras Teichert et al. p. 256

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
subclassOrthoceratoideaZhuravleva 1994
orderOrthoceridaKuhn 1940
familyProteoceratidae
genusCyrtactinocerasHyatt in Zittel 1900

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