Calyptotricha Phillips, 1882 (ref. ID; 2014)
Class Oligohymenophora: Subclass Hymenostomata: Order Scuticociliatida (ref. ID; 2014)

Synonym; Diplostyla Kellicott, 1885 (ref. ID; 2014)

[ref. ID; 2014]
Sedentary, locate, ovoid to pyriform ciliate. Lorica tube-like of two types, it may have parallel sides or may have a central bulbous region in which the ciliate is housed. Oral aperture with prominent undulating membrane which stretches down the right side of the body to form a pouch in the posterior body half. Trichocysts present. Somatic ciliation uniformly distributed over entire body, with a caudal cilium. Contractile vacuole in posterior body region. Macronucleus spherical, centrally located.
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)

Calyptotricha pleuronemoides Phillips, 1882 (ref. ID; 1219, 1622) reported year? (ref. ID; 1618) reported author and year? (ref. ID; 4611)
Measurements; Lorica about 85 um high; body about 50 um long. Kellicott's form is more elongated. (ref. ID; 1618)