Segmentorbis Segmentorbis kanisaensis S. formosa List of non-marine molluscs of Benin List of non-marine molluscs of Mozambique List of non-marine molluscs of Egypt List of non-marine molluscs of Nigeria Lentorbis carringtoni Planorbidae List of critically endangered molluscs List of data deficient molluscs List of least concern molluscs List of critically endangered invertebrates IUCN Red List critically endangered species (Animalia) List of data deficient invertebrates