Deroceras (Deroceras) abessinicum (Simroth, 1904)
Morphology:
External: Black to gray-blue body, sometimes with black spots on both body and mantle; light yellow sole (Wiktor 2000).
Internal: Penis formed from oval parts with constrictions in between; tubular gland on apical side of penis above vas deferens; no papillae in penial gland; wide retractor muscle on apex of penis; conical stimulator in penis; no rectal caecum (Wiktor 2000).
Size:
Preserved: to 23 mm long, 7 mm wide, mantle 11 mm long (Wiktor 2000).
Distribution:
Ethiopia (Wiktor 2000).