Rank Genus Subclass Ammonites | ||
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Similar Ammonites, Kossmaticeras, Lissoceras, Hecticoceras, Hammatoceras | ||
Haploceras is a genus of late Upper Jurassic (Kimmeridgian and Tithonian) ammonoid cephalopods and the type for the Haploceratidae, similar to Lissoceras but with a broader whorl section and small blunt lappets and a blunt rostrum; some species with feeble ventral folds on body chamber. Haploceras has been found worldwide, in North America, Africa, Europe and the mid east.
References
Haploceras Wikipedia(Text) CC BY-SA