original description
Eichwald, E. (1829). Zoologia Specialis quam expositis animalibus tum vivis, tum fossilibus potissimum Rossiae in universum, et Poloniae in specie, in usum lectionum publicarum in Universitate Caesarea Vilnensi habendarum. Pars prior. Propaedeuticam Zoologiae atque specialem Heterozoorum expositionem continens. J. Zawadzki, Vilnae, vi + 314 pp., pls 1-5. [18 January]., available online at https://www.biodiversitylibrary.org/page/35882071
page(s): 307, pl. 5, fig. 19 [details]
additional source
Eichwald, E. (1853). Lethaea Rossica ou Paléontologie de la Russie, décrite et figurée. Troisième volume. Dernière période. Schweizerbart, Stuttgart; xix + 533 pp. + Atlas of 14 pls [Plates published in 1859, f. A. Janssen, 1984.]., available online at https://www.biodiversitylibrary.org/page/39452522
page(s): 302 [details]
redescription
Eichwald, E. (1830). Naturhistorische Skizze von Lithuanien, Volhynien und Podolien in geognostisch-mineralogischer, botanischer und zoologischer Hinsicht. <em>Wilna [Vilnius], Zawadzki.</em> 256 p., 3 pl., available online at https://reader.digitale-sammlungen.de/de/fs1/object/display/bsb10691419_00005.html
page(s): 215 [details]
From editor or global species database
Status Status and classification uncertain - not discussed in the literature since Eichwald (1853) [details]