Bothrioplana semperi

Encyclopedia of Life

Catenula lemnae

Teichlebewesen

Catenula lemnae

Wikipedia

Castrella truncata

Teichlebewesen

Castrella

Micrographia Gallery

Dalyellia viridis

Teichlebewesen

Geocentrophora baltica

Wikipedia

Gyratrix hermaphroditus

Teichlebewesen

Geocentrophora sphyrocephala

Teichlebewesen

Girardia tigrina

Animal Diversity Web

Girardia

Wikipedia

Microdalyellia armigera

Photomacrography.net

Mesostoma ehrenbergii

WikiSpecies

Microdalyellia

WikiSpecies

Procotyla fluviatilis

Study of Northern Virginia Ecology

Planaria

Wikipedia

Rhynchomesostoma rostratum

Teichlebewesen

Stenostomum leucops

Teichlebewesen

Schmidtea polychroa

Wikipedia