Jamieson, B. (1965). Two Ocnerodrilinae (Megascolecidae, Oligochaeta) from East Africa: Nematogenia lacuum (Beddard 1893) and Pygmaeodrilus montiskenyae sp. n. Annals and Magazine of Natural History. 8(86): 95-107.
Two Ocnerodrilinae (Megascolecidae, Oligochaeta) from East Africa: <i>Nematogenia lacuum</i> (Beddard 1893) and <i>Pygmaeodrilus montiskenyae</i> sp. n