Osteolaemus

Osteolaemus (from Ancient Greek όστεον (ósteon), meaning "bone", and λαιμός (laimós), meaning "throat") is a genus of crocodiles. They are small, secretive crocodiles that occur in wetlands of West and Middle Africa. They are commonly known as the African dwarf crocodiles. Unlike other crocodiles, Osteolaemus are strictly nocturnal.