Acinetopsis Robin, 1879

[ref. ID; 2013]
Body approximately conical shape having 1 to 6 large and highly retractile tentacles situated in a central apical region. Lorica cup-like and distinct, borne upon a stalk. Major tentacles often surrounded by many very much smaller tentacles.
Quote; Colin R. Curds "British and other freshwater ciliated protozoa Part I Ciliophora: Kinetofragminophora" Cambridge University Press, 1982 (ref. ID; 2013)

Acinetopsis elegans Swarczewsky (ref. ID; 1335)
Acinetopsis rara (ref. ID; 191)
Acinetopsis tentaculata Root (ref. ID; 1618)

Acinetopsis tentaculata Root (ref. ID; 1618)
Description; On Obelia commissuralis and O. geniculata. (ref. ID; 1618)
Measurements; Lorica 187 um high; stalk 287 um long; large tentacles up to 500 um long; body about 138 by 100 um. (ref. ID; 1618)