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Ctenoceras was named by Noetling (1884). Its type is Ctenoceras schmidti.

It was assigned to Stereoplasmoceratidae by Sweet (1958); to Orthoceratinae by Teichert et al. (1964); and to Orthocerida by Sepkoski (2002).

Synonymy list
YearName and author
1884Ctenoceras Noetling
1958Ctenoceras Sweet
1964Ctenoceras Teichert et al. p. 225
2002Ctenoceras Sepkoski, Jr.

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subfamilyOrthoceratinae(M'Coy 1844)
genusCtenocerasNoetling 1884

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.

No diagnoses are available