Genus: Sludica IVACHNENKO, 2012
Etymology: In reference to the Mar'yushkina Sluda Locality, Vologda Region, European Russia.

Species: bulanovi IVACHNENKO, 2012
Etymology: In honor of the paleontologist V.V. Bulanov, who found the type specimen.

Holotype: PIN No. 4412/20

Locality: Mar'yushkina Sluda-C locality, Velikoustyugskii District, Vologda Region, European Russia.

Horizon: Upper Severodvinian Substage.

Biostratigraphy: Sokolki Faunal Assemblage, Ilinskoe Faunal Subassemblage.

Age: Lower Upper Tatarian Age, Lopingian Subepoch, Upper Zechstein Epoch, Late Permian.

Material: Crown of a lower buccal tooth.

Referred material:

PIN nos. 4412/21-23: 3 isolated anterior buccal teeth.