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Morphology Ecology and taphonomy   Age range and collections

Hemicosmorthoceras

Cephalopoda - Orthocerida - Sphaerorthoceratidae

Taxonomy
Hemicosmorthoceras was named by Ristedt (1968) [Sepkoski's age data: S Ludl-l Sepkoski's reference number: 524]. It is not extant.

It was assigned to Sphaerorthoceratidae by Kröger (2008).

Synonymy list
YearName and author
1968Hemicosmorthoceras Ristedt
2008Hemicosmorthoceras Kröger

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
subclassOrthoceratoideaZhuravleva 1994
orderOrthoceridaKuhn 1940
familySphaerorthoceratidaeRistedt 1968
genusHemicosmorthocerasRistedt 1968

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