Family: Test usually more or less compressed; pseudostome narrowly oval or slit-like.
Genus: Test more or less flask-shaped, with more or less neck (Illustrated Guide, 1985). Species: |
Argynnia dentistoma (Penard 1890) ?,
test 102 μm long, 75 μm wide, L/W=1.4, pseudostome 18 μm wide,
body scales μm long, μm wide, L/W=,
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