Crenobia

Crenobia is a genus of planarians in the family Planariidae. It is endemic to Europe and Anatolia.

Description
The genus Crenobia includes planarians with an extremely thick muscle coat surrounding the genital atrium. The copulatory bursa it relatively small when compared to other genera of freshwater planarians.

Distribution
The genus Crenobia occurs in Anatolia and across most of Europe, including several islands in the Mediterranean Sea, although it seems to be absent in most of the Iberian Peninsula.

Species
The following species are currently recognized in the genus Crenobia:


 * Crenobia alpina (Dana, 1776)
 * Crenobia anophthalma (Mrázek, 1907)
 * Crenobia bathycola (Steinmann, 1911)
 * Crenobia corsica (Arndt, 1922)
 * Crenobia montenigrina (Mrázek, 1904)