Melanopsis magnifica
Melanopsis magnifica is a species of freshwater gastropod endemic to oases and wadis in Morocco.
Melanopsis magnifica exists mainly in shallow streams with stony substrates. It occurs in several localities, only three of which are recognized by the IUCN: Berkane, Fez, and Ouadi Korifla in Morocco. It also occurs in Ain Chkef, Agourai, Oued Boufakrane, Ain Chair, Ras Kebdana, Meknes, etc. Known M. magnifica populations are close to urban areas and are prone to population impacts as a result of pollution and habitat modification.
Taxonomy
Melanopsis magnifica is defined historically be several subspecies and forms, excluding the nominal forms:Melanopsis magnifica berkanensis P.M. Pallary, 1911Melanopsis magnifica expansa P.M. Pallary, 1920Melanopsis magnifica ingens P.M. Pallary, 1927-28Melanopsis magnifica oranensis P.M. Pallary, 1911Melanopsis magnifica concolor P.M. Pallary, 1927Melanopsis magnifica serira P.M. Pallary, 1920Melanopsis magnifica senilis P.M. Pallary, 1939