Phylum: Mollusca - Class: Gastropoda

 

Family: Retusidae Thiele, 1925

Pyrunculus hoernesi (Weinkauff, 1866) Retusa crebrisculpta (Monterosato, 1884) Retusa crossei (Bucquoy, Dautzenberg & Dollfus, 1886)
Retusa laevisculpta (Granata-Grillo, 1877) Retusa leptoeneilema (Brusina, 1866) Retusa mammillata (Philippi, 1836)
Retusa minutissima (Monterosato, 1878) Retusa nitidula (Lovén, 1846) Retusa parvula (Jeffreys, 1883)
 
Retusa truncatula (Bruguière, 1792) Retusa umbilicata (Montagu, 1803)