Cossmannica

Cossmannica
Apertural view of a shell of Cossmannica jacksonensis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Family: Pyramidellidae
Genus: Cossmannica
Dall & Bartsch, 1904[1]
Synonyms

Diptychus Cossmann, 1888

Cossmannica is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.[2]

Description

The surface of the shell is polished, marked by faint lines of growth and microscopic spiral striations. The shell is not umbilicated. The basal fasciole is absent. The aperture is suboval. There are two columellar folds.[3]

Species

There are nine known species within the genus Cossmannica, these include the following:[2]

References

  1. ^ Dall and Bartsch, Proc. Biol. Soc. Wash., vol. 17, 1904, p. 6
  2. ^ a b Rosenberg, G. (2011). Cossmannica Dall & Bartsch, 1904. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=588553 on 2011-11-29
  3. ^ A Monograph of West American Pyramidellid Mollusks, United States National Museum Bulletin 68, p.10; 1909


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