Cylindrostomidae
Cylindrostomidae is a family of flatworms belonging to the order Prolecithophora.
Genera:Allostoma van Beneden, 1861Allostoma Westblad, 1955Cylindrostoma Örsted, 1845Einarhelmins Karling, 1993Enterostomula Reisinger, 1926Euxinia Graff, 1911Monoophorum Böhmig, 1890Pregermarium Stirewalt, Ferguson & Kepner, 1942Thallagus Marcus, 1951