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Onychoceras
Taxonomy
Onychoceras was named by Wunstrorf (1905) [Sepkoski's age data: J Toar-u Sepkoski's reference number: 302]. Its type is Cyrtoceras confertissimum.
It was assigned to Hammatoceratinae by Howarth (2013).
It was assigned to Hammatoceratinae by Howarth (2013).
Species