[ref. ID; 2014]
Elongate, elliptical, dorso-ventrally flattened body with a slightly narrowed peristome no more than third of the body length, and bent slightly towards the animal's left. 2 rows of marginal cirri joining posteriorly. The ventral cirri small, numerous and arranged in 3 densely packed obliquely curving rows. Transverse cirri absent. Frontal cirri numerous and arranged in 4 transversely oblique rows. The contractile vacuole has a long serving canal near the left margin. Found in stagnant water over rotting leaves. Single species genus originally isolated from N. America. Borror (1972) placed the genus in Urostyla.
Quote; Colin R. Curds, Michael A. Gates and David McL. Roberts "British and other freshwater ciliated protozoa Part II Ciliophora: Oligohymenophora and Polyhymenophora" Cambridge University Press, 1983 (ref. ID; 2014)