Oligohymenophorea:
Peritrichia: Sessilida: Vaginicolidae
Pyxicola annulata
Leidy 1882
Genus: Lorica attached aborally by stalk; operculum attached just behind peristomal border
(Illustrated Guide, 1985).
Body attached posteriorly to a lorica; a discoidal corneous operculum developed beneath
border of peristome (Kudo, 1966).
Species:
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Similar Genus ->> Thuricola;
Vaginicola;
Cothurnia;
Platycola
Pyxicola annulata Leidy,
lorica 80 μm long, 31 μm wide, stalk 35 μm long,
x 640, Imori pond, Myoko-kogen (Myoko highland), Myoko village, Niigata Pref., Japan, November 7, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Pyxicola annulata Leidy,
lorica 90 μm long, 30 μm wide, stalk 23 μm long,
x 640, Imori pond, Myoko-kogen (Myoko highland), Myoko village, Niigata Pref., Japan, November 7, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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