Afrithelphusa is a genus of freshwater crabs in the family Potamonautidae. It contains four species, all of which were formerly listed as critically endangered by the International Union for Conservation of Nature (IUCN). They are all endemic to the Upper Guinean forests of Guinea and Sierra Leone.
Globonautes macropus is a species of crab in the family Potamonautidae, the only species in the genus Globonautes. It is found in Guinea and Liberia and presumably in Sierra Leone, and is listed as an endangered species on the IUCN Red List. It lives in tree hollows filled with water, in closed-canopy rainforest.
Louisea is a genus of freshwater crab in the family Potamonautidae, containing two species, Louisea balssi and Louisea edeaensis. Both species are endemic to Cameroon and listed as endangered species on the IUCN Red List.
Perbrinckia is a genus of freshwater crabs of the family Gecarcinucidae that is endemic to Sri Lanka, named after Per Brinck. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical swamps, and rivers. It contains 14 species, most of which are included on the IUCN Red List as critically endangered species (CR) or vulnerable species (VU) because they are threatened by habitat loss; only one species is of least concern (LC).
Potamonautes platycentron is a species of freshwater crab in the family Potamonautidae, which is endemic to Lake Chala in Kenya and Tanzania. It was originally described by Franz Martin Hilgendorf in 1897, as Telphusa platycentron.
Spiralothelphusa is a genus of freshwater crabs in the family Gecarcinucidae. It contains these species, all of which are included on the IUCN Red List:
Pseudothelphusidae is a family of freshwater crabs found chiefly in mountain streams in the Neotropics. They are believed to have originated in the Greater Antilles and then crossed to Central America via a Pliocene land bridge.
Hainanpotamon vietnamicum is a species of crab. Originally described as a species of Geothelphusa, it is now treated as part of the genus Hainanpotamon, although it has also been suggested as a member of Tiwaripotamon. It is only known from a single locality in Cúc Phương National Park, Ninh Bình Province, Vietnam.
Deckenia is a genus of freshwater crabs from East Africa, in the family Potamonautidae, or sometimes in a family of its own, Deckeniidae. The genus was named by Hilgendorf after Karl Klaus von der Decken who collected the first examples during his expeditions to Africa. Both species live in swamps from Eyl in Somalia to Dar es Salaam, Tanzania, both in coastal areas and further inland. A third species, Deckenia alluaudi, lives in the Seychelles, and has been transferred to a separate genus, Seychellum.
Johora singaporensis, the Singapore stream crab or Singapore freshwater crab, is a critically endangered species of freshwater crab endemic to Singapore. It grows to a size of 30 millimetres (1.2 in) wide.
Disparithelphusa pecki is a species of freshwater crab in the family Pseudothelphusidae, and the only species in the genus Disparithelphusa.
Smalleyus is a genus of crabs in the family Pseudothelphusidae, containing the single species Smalleyus tricristatus.
Brasiliothelphusa tapajoensis is a species of freshwater crabs in the family Pseudothelphusidae, and the only species in the genus Brasiliothelphusa. It was described in 1986 from specimens caught in the Rio Tapajós in the state of Pará, Brazil. It is listed as Data Deficient on the IUCN Red List.
Neoepilobocera gertraudae is a species of cave-dwelling crab from Cuba.
Achlidon agrestis is a species of crab in the family Pseudothelphusidae, and the only species in the genus Achlidon. It lives in rivers in Mexico and Costa Rica.
Camptophallus botti is a species of crab in the family Pseudothelphusidae, and the only species in the genus Camptophallus. It is endemic to the Nicaraguan departments of Matagalpa and Jinotega.
Eidocamptophallus chacei is a species of crab in the family Pseudothelphusidae, and the only species in the genus Eidocamptophallus.
Lobithelphusa mexicana is a species of crab in the family Pseudothelphusidae, the only species in the genus Lobithelphusa.
Martiana clausa is a species of crab in the family Pseudothelphusidae, the only species in the genus Martiana.
Oedothelphusa is a genus of crabs in the family Pseudothelphusidae, containing the single species Oedothelphusa orientalis. It is known from a single site at an altitude of 1,210 metres (3,970 ft) in Monagas state, Venezuela.
