AENIGMATOCERAS

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

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

References

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Aenigmatoceras Temporal range: Carboniferous

A. rhipaeum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	† Ammonoidea
Order:	† Goniatitida
Family:	† Cravenoceratidae (?)
Subfamily:	† Cravenoceratinae (?)
Genus:	† Aenigmatoceras
species
A. rhipaeum (type species) A. kyzylkumense