Cirridae

Cirridae is an extinct family of fossil sea snails, marine gastropod mollusks in the superfamily Porcellioidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Cirridae
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Vetigastropoda
Superfamily:	† Porcellioidea
Family:	† Cirridae Cossmann, 1916

These snails date from the Mesozoic era, and are sinistral in their shell-coiling.^[1]

Taxonomy

This family consists of three following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):

• 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^[2] -=– from the Devonian of west-central Alaska
  • Alaskacirrus bandeli Frýda & Blodgett, 1998^[2]