Laevicaspia sieversii (Clessin in Dybowski, 1887)

*1887 Nematurella Sieversii Clessin in Dybowski: 45-46.

1888 Nematurella Sieversi [sic] n. sp. - Dybowski: 78, pl. 2, fig. 1.

Status. Pontocaspian species, identity uncertain.

Type locality. Caspian Sea (no details).

Distribution. Endemic to the Caspian Sea.

Taxonomic notes. This species has not been found since its first description, its identity is unclear (Vinarski and Kantor 2016). Judging from the description and drawing in Dybowski (1887), we suggest a systematic placement in Laevicaspia . It might be related to L. conus (Eichwald, 1838).

Conservation status. Not assessed.