See text Crenobia alpina, known as the alpine flatworm, is a species of triclad belonging to the family Planariidae.

Crenobia alpina has been considered by some to be a species complex,[2] with some subspecies of Crenobia alpina being placed as separate species within the genus Crenobia, and others having uncertain taxonomic placement.

All subspecies are found within mountainous regions of Europe, particularly the Alps, but have been found within mountainous areas of Eastern Europe as well.

Recognized subspecies include:

This flatworm- (or platyhelminth-) related article is a stub.