Genus Meisterfeldia Bobrov, 2016
Description: Test ovoid; bilaterally symmetrical, more or less laterally compressed; colorless, yellow or brown; composed of proteinaceous material without mineral particles; aperture circular, subterminal as seen on ventrally and obliquely cut apertural end, or it is situated on a well developed or poorly expressed neck inclined ventrally; sometimes aperture border shows a slight swelling.
Etymology: The genus is named after the German protozoologist Ralf Meisterfeld.
Type species: Meisterfeldia chibisovi Bobrov, 2016: Shell small, bilaterally symmetrical, elongated-ovoid, almost not flattened, colorless to light-brown. Dorsal side convex in profile, posterior shell end smoothly curved, anterior end with aperture bent towards ventral side. Aperture circular, subterminal, shifted to ventral side. Aperture, unlike Wailesella eboracensis, at the end of a short neck. Shell surface smooth, without mineral inclusions.