Biology:Protowenella

From HandWiki
Short description: Extinct genus of molluscs

Protowenella
Temporal range: Mid Cambrian
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Helcionelloida
Order: Helcionelliformes
Superfamily: Helcionelloidea
Genus: Protowenella

Protowenella is a genus of helcionellid from the Middle Cambrian of Australia. It has a strongly spiralled, smooth shell with concentric ridges that have low relief. Other than its tighter coiling, it is very similar to Tichkaella.[1]

References

  1. Peel, J. S. (1991). "Functional Morphology of the Class Helcionelloida Nov., and the Early Evolution of the Mollusca". in Simonetta, A. M.; Conway Morris, S. The Early Evolution of Metazoa and the Significance of Problematic Taxa. Cambridge University Press. pp. 157–177. ISBN 978-0-521-40242-2. 

Wikidata ☰ Q7252181 entry