Chaetopoda, plate 96, Kunstformen der Natur (1904)
by Ernst Haeckel
* This term was in use more in Haekel’s time, but is considered an outmoded term referring to the Polychaetes and Oligochaetes, within the Annelida. In this illustration, only Polychaetes are present.
Terrestrial Flatworm, Bipalium sp., from East and SE Asia, feeding on an Earthworm