Cossmannica
| Cossmannica | |
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| Apertural view of a shell of Cossmannica jacksonensis | |
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| Genus: | Cossmannica Dall & Bartsch, 1904 [1]
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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]
- Cossmannica aciculata A. Adams, 1855
- Cossmannica bancoensis Saurin, 1959
- Cossmannica behainei Saurin, 1959
- Cossmannica catinati Saurin, 1959
- Cossmannica champaensis Saurin, 1959
- Cossmannica discreta Saurin, 1959
- Cossmannica exesa Laseron, 1959
- Cossmannica jacksonensis (Dall & Bartsch, 1906)
- Cossmannica subcarina Laseron, 1959
References
- ^ Dall and Bartsch, Proc. Biol. Soc. Wash., vol. 17, 1904, p. 6
- ^ 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
- ^ A Monograph of West American Pyramidellid Mollusks, United States National Museum Bulletin 68, p.10; 1909
External links