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Stemtonoceras

Cephalopoda - Ellesmerocerida - Ellesmeroceratidae

Taxonomy
Stemtonoceras was named by Ulrich and Foerste (1936) [Sepkoski's age data: O Trem-l Sepkoski's reference number: 298,524]. Its type is Stemtonoceras elongatum. It is the type genus of Stemtonoceratidae.

It was assigned to Stemtonoceratidae by Ulrich et al. (1944); and to Ellesmeroceratidae by Teichert et al. (1964).

Synonymy list
YearName and author
1936Stemtonoceras Ulrich and Foerste p. 288
1944Stemtonoceras Ulrich et al.
1964Stemtonoceras Teichert et al. p. 146

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
orderEllesmerocerida()
familyEllesmeroceratidaeKobayashi 1934
genusStemtonocerasUlrich and Foerste 1936

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