Typhloplanidae is a family of flatworms in the order Rhabdocoela.

[1] It is one of the most species-rich families of Rhabdocoela, comprising around 300 species.

They inhabit freshwater, estuarine, marine and terrestrial habitats.

Most representatives are 1 to 5 mm in length, but a few species, like Mesostoma ehrenbergii, can reach up to 1.5 cm.

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