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Spirotrichea: Stichotrichida: Urostylidae

Holosticha
Wrzesniowski, 1877
Syn.: Amphisia Sterki, 1878

Suborder: Frontoventral cirri as 2 or more zig-zag files almost full length of ventrum.
Family: Frontal cirri differ in size and/or pattern from ventral ones of files; "collar" extends short distance along right edge of body; oral area not U-shaped (Illustrated Guide, 1985).

Genus: Many species; usually ovoid or elongate in shape; AZM 1/4 of the body length; two rows of ventral cirri; frontal cirri present (Carey, 1992). Frontventral cirri in zig-zag files; rear rounded, body oval to long (Illustrated Guide, 1985).
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Holosticha
Holosticha sp.1
many Mac.
150-170 x 40 μm
Japan, 1998
Holosticha
H. polystylata
many Mac.
200-212 x 67 μm
Japan, 199?, 1999
Holosticha
Holosticha sp.2
many Mac.
132 x 41 μm
Japan, 1998
Holosticha
H. diademata ?
two Mac.
126 x 30 μm
Japan, 1998, 99
Holosticha
H. diademata ?
two Mac.
115 x 40 μm
Saitama, 1999

Holosticha sp.
56 x 20 μm
Saitama, 1999

Similar Genus ->> Urostyla ; Pseudourostyla; Amphisiella


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Holosticha
2 or more right marginal files of cirri .
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