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Spirotrichea: Stichotrichia: Stichotrichina: Gonostomatidae

Sterki 1878

Suborder: Ventral cirri as 1 or more files of varied length; linear.
Family: With 2 or more frontoventral cirral files parallel to long axis of ora region along its right border; at least 2 frontoventral files extend almost length of body (Illustrated Guide, 1985).

Genus: Cirral files not extend backward as far as transverse group (Illustrated Guide, 1985). Rsembles Oxytricha; but with three frontal, 2 rows of ventral, 4 caudal (transverse ?) cirri; longer adoral zone (How to know the protozoa, 1979).
->> Description at WPRNO Google Image Search
Gonostomum sp.1
88 x 25 μm
Hiroshima, 1998
Gonostomum sp.3
102 x 24 μm
Uruguay, 1999
Gonostomum sp.2
or Stichotricha ?
225 x 35 μm
Japan, 1998

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