Cirridae

Cirridae is an extinct family of fossil sea snails, marine gastropod mollusks in the superfamily Porcellioidea.
These snails date from the Mesozoic era, and are sinistral in their shell-coiling.

Taxonomy

This family consists of three following subfamilies :

Cirrinae Cossmann, 1916
Platyacrinae Wenz, 1938 – synonym: Hesperocirrinae O. Haas, 1953
Cassianocirrinae Bandel, 1993

Genera and species

Genera and species within the family Cirridae include:Alaskacirrus Frýda & Blodgett, 1998 -=– from the Devonian of west-central Alaska

* Alaskacirrus bandeli Frýda & Blodgett, 1998