Turricaspia grimmi (Clessin & Dybowski in Dybowski, 1887)

*1887 Micromelania Grimmi Clessin & Dybowski in Dybowski: 27-29.

1888 [ Micromelania] Grimmi n. sp. - Dybowski: 78, pl. 1, fig. 2 a–c .

2006 Pyrgula grimmi (Clessin & W. Dybowski in W. Dybowski, 1888). - Kantor and Sysoev: 100, pl. 46, fig. L.

2016 Pyrgula grimmi (Clessin & W. Dybowski in W. Dybowski, 1888). - Vinarski and Kantor: 239.

Status. Accepted Pontocaspian species.

Type locality. Caspian Sea (no details).

Distribution. Southern Caspian Sea Basin (Logvinenko and Starobogatov 1969). This species was mentioned from depths between 200 and 300 m in the South Caspian Basin of Azerbaijan (Mirzoev and Alekperov 2017).

Taxonomic notes. The peculiar morphology with straight-sided, weakly stepped whorls with a thin subsutural band is unique among Caspian Pyrgulinae . See above for a comparison with T. eulimellula .

Conservation status. Data Deficient (Vinarski 2011i).