Biology:Quasicravenoceras

From HandWiki
Short description: Genus of molluscs (fossil)

Quasicravenoceras
Temporal range: Carboniferous
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Goniatitida
Family: Cravenoceratidae
Subfamily: Cravenoceratinae
Genus: Quasicravenoceras
Ruzhentsev and Bogoslovskaya 1971

Quasicravenoceras is a genus of ammonites in the goniatitid family Cravenoceratidae from the Carboniferous of Russia and Kazakhstan, included in the Neoglyphioceratoidea. The type species is Quasicravenoceras consuetum Ruzhencev & Bogoslovskaya, 1971.

Diagnosis

Quasicravenoveras is characterized by a moderately large, variably involute, subdiscoidal shell, or conch. The surface is covered with sharp lamella that can appear as narrow ribs. The sides of the ventral lobe are divergent, separated by a short median saddle

Related genera include Cravenoceras, Cravenoceratoides, Emstites, and Gorboviceras.

References

Wikidata ☰ Q11832863 entry