Filosea:
Gromiida: Gromiina: Pseudodifflugiidae
Frenzelina sp.
Penard, 1902
Genus: Test elastic, membranous, in a firm cup-shaped outer test (Illustrated Guide, 1985).
Species:
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Frenzelina sp. ?? or Gromia ?,
test 25 μm long, 17 μm wide, L/W=1.5, pseudostome μm wide,
x 640, Akebono marsh (or bog), Nidanuma (Nitanuma), Tsuchiyu-onsen, Fukushima city, Fukushima Pref., Japan, October 28, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Test 33 μm long, 21 μm wide, L/W=1.6, pseudostome μm wide, x 640
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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