Cirridae

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

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).

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]

References

2. Frýda J. & Blodgett R. B. (March 1998). "Two new cirroidean genera (Vetigastropoda, Archaeogastropoda) from the Emsian (Late Early Devonian) of Alaska with notes on the early phylogeny of Cirroidea". Journal of Paleontology 72(2): 265-273. abstract