Caumontisphinctes

Caumontisphinctes
Temporal range: Bajocian[1]
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Superfamily: Perkinsonataceae
Family: Perkinsonidae
Genus: Caumontisphinctes

Caumontisphinctes is an ammonoid genus from the ammonitid superfamily Perkinsonataceae that lived during the Bajocian stage of the Middle Jurassic.[1]

Chaumontisphinctis, named by Buckman, is like the genus Perisphinctis in being compressed with an ovoid whorl section but perkinsoniid in having sharp ribbing, a smooth or grooved venter, and tubercles commonly developed at bifurcation points on the ribs and at the ventral edge or on the venter.

References

  1. 1 2 Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28.
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