Biology:Qiannanites

From HandWiki
Short description: Genus of molluscs (fossil)

Qiannanites
Temporal range: Early Carboniferous
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Goniatitida
Family: Prodromitidae
Genus: Qiannanites
Ruan, 1981

Qiannanites is a genus of goniatitid ammonites from the lower Carboniferous included in the Prodromitidae, which is part of the superfamily Karagandocerataceae, now known as the Karagandoceratoidea.[1]

Diagnosis

The shell of Qiannanites is discoidal with a sharp venter, small umbilicus and rather high aperture. Ribs are faint. Coiling in involute, leaving only the outer whorl exposed. The ventral lobe of the suture is bifurcate with pronounced acute prongs

References

  1. Qiannanites in Fossil Works

Wikidata ☰ Q11832830 entry