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 | |
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Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
(unranked): | clade Vetigastropoda |
Superfamily: | |
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]
gollark: That is admittedly *also* a good feature...
gollark: Maybe instead of X amount of time, X amount of messages per channel.
gollark: Fair point.
gollark: Well, currently, if you want to view past messages, you need a bouncer or something to store them locally. On IRC.
gollark: Ideally message history and stuff would encourage people to *not* sit around logged in but offline constantly.
References
- 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
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