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Filosea: Gromiida: Gromiina: Pseudodifflugiidae

Frenzelina sp.
Penard, 1902

Freselina Genus: Test elastic, membranous, in a firm cup-shaped outer test (Illustrated Guide, 1985).

Frenzelina sp. ?, test μm long, μm wide, L/W=, x 640, rice field, Tennoh, Tessei-cho, Okayama Pref., Japan, November 22, 2004 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
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Frenzelina reniformis Penard, 1902: Cup 26-30 μm across, 12-15 high; sac 12-15 μm diam.; test rigid, clear, membranous, hemispherical, a gelatin-filled cup; attached sand granules; pseudostome at end of sac, 3-4 μm, with collar 1 μm high; nucleus spherical, 3 μm, endosome 1.5 μm (Illustrated Guide, 1985).

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