Gieysztoria donnae Young, 1977 | Dec 30, 1971 | | mud | Dam on Karara Farm, Nairobi, just off Nairobi to Thika road. 33 m long and 16 m wide, mud substratum with Typha bends. 6 specimens. |
Prorhynchus stagnalis Schultze, 1851 | Nov 10, 1971 | | | Small, marshy, un-named stream crossing under Nairobi to Thika road at the Safari Park Hotel; 0.3 m wide and 0.15 m deep; choked with vegetation. 4 specimens. |
Bothromesostoma personatum (Schmidt, 1848) | Jul 26, 1972 | | | Pond in clay-brick works, 6 km from Nairobi, along Nairobi to Thika road; 25 x 15 m with mud and much vegetation, including Typha. 2 specimens. |
Mesostoma lingua (Abildgaard, 1789) | 1972 | | | Pond in clay-brick works, 6 km from Nairobi, along Nairobi to Thika road; 25 x 15 m with mud and much vegetation, including Typha. 56 specimens. |