Aenigmatoceras

Aenigmatoceras; Temporal range: Carboniferous
	A. rhipaeum
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Goniatitida
Suborder:	Goniatitina
Superfamily:	Neoglyphiocerataceae
Family:	?Cravenoceratidae
Subfamily:	?Cravenoceratinae
Genus:	Aenigmatoceras
species
	A. rhipaeum (type species); A. kyzylkumense;

Aenigmatoceras is a genus of ammonite cephalopod from the Carboniferous of Russia. It is tentatively placed within the family Cravenoceratidae based on similarities with Tympanoceras.

References

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