Biology:Caumontisphinctes

From HandWiki
Short description: Genus of molluscs (fossil)


Caumontisphinctes
Temporal range: Bajocian[1]
Scientific classification
Kingdom:
Phylum:
Class:
Subclass:
Order:
Superfamily:
Perkinsonatoidea
Family:
Perkinsoniidae
Genus:
Caumontisphinctes

Caumontisphinctes is an ammonoid genus from the ammonitid superfamily Perkinsonatoidea 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. 1.0 1.1 Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology 363: 1–560. Archived from the original on 2008-05-07. https://web.archive.org/web/20080507014300/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=231&rank=class. Retrieved 2017-10-18. 

Wikidata ☰ Q5054545 entry