1. Cosmiomma hippopotamensis (Denny, 1843) .

Afrotropical: 1) Angola, 2) Botswana, 3) Kenya, 4) Namibia, 5) South Africa (Apanaskevich et al. 2013b).

Several records of Cosmiomma hippopotamensis have been published under the genus names Amblyomma, Dermacentor, Hyalomma and Ixodes by various authors (Guglielmone & Nava 2014).

Horak et al. (2018) stated that Cosmiomma hippopotamensis was described from specimens collected in South Africa in 1841, but this tick was never again collected in that country. These authors also believe that Cosmiomma hippopotamensis is now extinct in South Africa, and in other countries where it was once collected from rhinoceros and hippopotamus.