Chilomonas Ehrenberg, 1838 (ref. ID; 4656) or 1859 (ref. ID; 7452)

[ref. ID; 1618]
Similar to Cryptomonas in general body form and structure, but colorless because of the absence of chromatophores; without pyrenoid; "cytopharynx" deep, lower half surrounded by granules, considered by Hollande (1942) and Dragesco (1951) as trichocysts; 1 contractile vacuole anterior; nucleus in posterior half; endoplasm usually filled with polygonal starch grains; saprozoic; fresh water. (ref. ID; 1618)

Chilomonas oblonga Pascher (ref. ID; 1618, 3517)
Description; Oblong; posterior end broadly rounded. (ref. ID; 1618)
Measurements; 20-50 um long. (ref. ID; 1618)
Chilomonas paramecium Ehrenberg (ref. ID; 1618, 3342, 3517)
Description; Posteriorly narrowed, slightly bent 'dorsally'; saprozoic; widely distributed in stagnant water. (ref. ID; 1618)
Measurements; 30-40 by 10-15 um. (ref. ID; 1618)
20-22 x 7-8 um. (ref. ID; 3342)