Cossmannica

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

Cossmannica
Apertural view of a shell of Cossmannica jacksonensis
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Family:	Pyramidellidae
Genus:	Cossmannica Dall & Bartsch, 1904[1]
Synonyms
Diptychus Cossmann, 1888

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