Monodacna acuticosta (Logvinenko & Starobogatov, 1967)
*1967 Hypanis acuticosta Logvinenko & Starobogatov: 232.
1969 Hypanis angusticostata acuticosta Logvinenko & Starobogatov: 334, fig. 353(1).
1973 Hypanis angusticostata acuticosta Logvinenko et Starobogatov, 1967. - Grossu: 141, fig. 23.
2013 Adacna (Monodacna) acuticosta (Logvinenko & Starobogatov, 1967). - Kijashko in Bogutskaya et al.: 379, fig. 160, photo 50.
2016 Adacna (Monodacna) acuticosta (Logvinenko & Starobogatov, 1967). - Vinarski and Kantor: 66.
Status. Pontocaspian species, endemic to Caspian Sea.
Type locality. "Northern Caspian Sea on the central part of the slope" (Vinarski and Kantor 2016: 66), which likely refers to northern slope of the middle Caspian Sea Basin.
Distribution . Caspian Sea (middle Caspian Sea Basin).
Conservation status. Not assessed.