Cossmannica

Cossmannica
Apertural view of a shell of Cossmannica jacksonensis
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
Superfamily: Pyramidelloidea
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]

Contents

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

Species within the genus Cossmannica include:[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

External links

External identifiers for Cossmannica
WoRMS 588553