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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Hastatella

Hastatella Erlanger, 1890 (ref. ID; 2014)

Class Oligohymenophora: Subclass Peritricha: Order Peritrichida: Suborder Sessilina (ref. ID; 2014)

[ref. ID; 2014]
Inverted bell-shaped body with peristomial disc held forward when swimming. Cilia on peristome wind anticlockwise around the apical region. Aboral end without stalk, suckers etc. but with a spine. Body covered with 2 to 4 rings of long conical ectoplasmic processes. Most easily mistaken for Astylozoon which does not possess ectoplasmic processes.
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)
  1. Hastatella aesculacantha Jarocki & Jacubowska, 1927 (ref. ID; 1620) reported year? (ref. ID; 1618)
  2. Hastatella microradians Gelei, 1954 (ref. ID; 4613)
  3. Hastatella radians Erlanger, 1890 (ref. ID; 1335, 1620, 1629, 2326, 4610, 4613)

Hastatella aesculacantha Jarocki & Jacubowska, 1927 (ref. ID; 1620) reported year? (ref. ID; 1618)

Descriptions

In stagnant water. (ref. ID; 1618)

Measurements

30-52 by 24-40 um. (ref. ID; 1618)