| Africatenula riuruae Young, 1976 | Apr 22, 1972 |  |  | 1 specimen from a large pond chocked with vegetation at an altitude of 3000m. | 
| Macrostomum coxi Young, 1976 | Apr 22, 1972 |  |  | 2 specimens.  Pond about 88km from Nakuru, on Nakuru to Eloret road. | 
| Myostenostomum tauricum (Nasonov, 1924) | Apr 22, 1972 |  |  | Pond, at 3000 m altitude, 88 km fro Nakuru towards Eldoret; 300 x 100 m and almost overgrown with aquatic vegetation.  1 specimen. | 
| Prorhynchus stagnalis Schultze, 1851 | Apr 22, 1972 |  |  | Pond, at 3000 m altitude, 88 km fro Nakuru towards Eldoret; 300 x 100 m in size, and choked with water plants.  1 specimen. | 
| Mesostoma ehrenbergii (Focke, 1836) | Apr 22, 1972 |  |  | Pond, at 3000 m altitude, 88 km fro Nakuru towards Eldoret; 300 x 100 m in size and choked with water weeds.  20 specimens. | 
| Mesostoma lingua (Abildgaard, 1789) | Apr 22, 1972 |  |  | Pond, at 3000 m altitude, 88 km fro Nakuru towards Eldoret; 300 x 100 m in size and choked with water plants.  2 specimens. | 
| Stenostomum leucops (Duges, 1828) | 1971-1972 |  |  | Naivasha to Eldoret road:  pond, at 300 m, 88 km from Nakuru towards Eldoret. |