Chambardia Chambardia wahlbergi Chambardia wissmanni Iridinidae List of non-marine molluscs of Nigeria List of non-marine molluscs of Mozambique List of least concern molluscs List of vulnerable molluscs List of recently extinct molluscs List of recently extinct invertebrates Ghaba List of vulnerable invertebrates Tarebia granifera Gebel Ramlah List of data deficient molluscs IUCN Red List vulnerable species (Animalia) List of data deficient invertebrates