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Cyrtospyroceras

Cephalopoda - Pseudorthocerida - Spyroceratidae

Taxonomy
Cyrtospyroceras was named by Flower (1938) [Sepkoski's age data: D Fras-l Sepkoski's reference number: 524].

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

Synonymy list
YearName and author
1938Cyrtospyroceras Flower p. 50
1964Cyrtospyroceras Teichert et al. p. 248
2002Cyrtospyroceras Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
orderPseudorthocerida
familySpyroceratidaeShimizu and Obata 1935
genusCyrtospyrocerasFlower 1938

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