23. Bulinus depressus F. Haas, 1936

Distribution and year: Chobe River at Ngoma [SMWN 76313] 1986 (Brown et al. 1992); Okavango Delta, Nxamaseri airstrip drift [SMWN76263] 1984 (Brown et al. 1992); Thamalakane River at bridge [ETD4300]

1984 (Brown et al. 1992); Boro River, Nxaraga Lagoon, Chief’s Island [ETD4299] 1984; Okavango Delta 2000 (Appleton et al. 2003), [SMWN77015, SMWN77028] 1996 (SMWN 2024).

Geographic range: Botswana, Democratic Republic of the Congo, Namibia, South Africa, Zambia, Zimbabwe.

Habitat: Freshwater.

Notes: The species is common in Southern Africa (Appleton et al. 2003), occurring in rivers, pools, lakes and dams (Brown 1994). The mollusc is abundant in the Okavango Delta (Appleton et al. 2003).

Type locality: Lake Bangweulu, Zambia (Haas 1936) .

Sources: Brown & Kristensen (1989: 47); Brown et al. (1992: 33); Appleton et al. (2003: 58–68); GBIF (2023 b).

Conservation status: Least Concern.