Nasonov, N. V. (1919). Contributions to the turbellarian fauna of Russia. IV. Bulletin de l'Académie des Sciences de Russie. 6(12–18): 1179-1197. With one plate.
236493
Nasonov, N. V.
1919
Contributions to the turbellarian fauna of Russia. IV
Bulletin de l'Académie des Sciences de Russie