Kat, P.W. 1987. Biogeography and evolution of African freshwater molluscs: implications of a Miocene assemblage from Rusinga Island, Kenya. Palaeontology 30(4): 733-742. Available electronically.
Kat, 1987. Palaeontology 30(4): 737, text fig. 2A.
Kat, 1987. Palaeontology 30(4): 737, text fig. 2D.
+ Iridina (Pliodon) subelongata Gautier, 1965