Clinothelphusa
 Clinothelphusa kakoota is a species of crab in the family Parathelphusidae which is endemic to Sri Lanka. Its natural habitats are subtropical or tropical moist lowland forests subtropical or tropical swamps and rivers. It is threatened by habitat loss and is listed as a critically endangered species on the IUCN Red List. It is known from a single site with an area of less than 100 square kilometres (39 sq mi).