Hypania invalida (Grube)

Amphicteis invalida Grube, 1860

Hypania invalida occidentalis Ostroumov, 1897

Ecology: FW, ST

Distribution: PA

Habitat: LR, ES, SL

Comments: This species has been particularly successful in colonising various types of fresh and brackish water habitats in Europe. It is one of four ponto-caspian species belonging to Hypania or related genera including H. antiqua, which is often considered to be a junior synonym of H. invalida; the group is in need of revision.

Additional references: Birula (1897), Dershawin (1910), Annenkova (1929a, 1929b, 1930), Wesenberg-Lund (1958), Mordukhai-Boltovskoi (1964), Weber (1964), Gerlach (1978), Nagy (1979), Manoleli (1977, 1980), Tarasov (1996), Vanden Bossche et al. (2001), Bij de Vaate et al. (2002), Khlebovich (2004), Devin et al. (2006)