Monodacna polymorpha (Logvinenko & Starobogatov, 1967)

*1967 Hypanis angusticostata polymorpha Logvinenko & Starobogatov, 1967: 232.

1973 Hypanis angusticostata polymorpha Logvinenko & Starobogatov, 1967. - Grossu: 141, fig. 22, pl. 1, fig. 7.

2013 Adacna (Monodacna) polymorpha (Logvinenko & Starobogatov, 1967). - Kijashko in Bogutskaya et al.: 383-384, fig. 159, photo 54.

2016 Adacna (Monodacna) polymorpha (Logvinenko & Starobogatov, 1967). - Vinarski and Kantor: 68.

Status. Pontocaspian species, endemic to Caspian Sea. Status uncertain.

Type locality. Central part of northern Caspian Sea.

Distribution. Northern Caspian Sea.

Taxonomic notes. See remarks under M. albida for uncertain species status.

Conservation status. Not assessed.