Macrostomum tuba Graff, 1882 | Dec 6, 1971 | | | 1 specimen. Dam in rice fields at Kandongu in the Sagana area. |
Mesostoma lingua (Abildgaard, 1789) | Dec 6, 1971 | | | Ditch at rice fields near Kandongu, Sagana; 2 m wide and 1 m deep; mud with gravel and stones. 58 specimens. |
Mesostoma lingua (Abildgaard, 1789) | Dec 6, 1971 | | | Dam at rice fields near Kandongu, near Sagana; 200 x 200 m and very deep; mud with vegetation including Typha. 3 specimens. |
Stenostomum leucops (Duges, 1828) | 1971-1972 | | | Sagna area: ditches in rice fields near Kandongu; dam near Kandongu. |