Genus: Test ovate; discoid in cross-section; pseudostome round, oval or elliptical
(Illustrated Guide, 1985).
Species:
Test ovoid, without foreign bodies; 16-20 μm long,
12-15 μm wide (Kudo, 1966).
15-24 μm long,
10-18 μm wide; pseudostome oval, terminal;
test smooth, clear, brownish, flask-shaped, circular in cross-section (Illustrated Guide, 1985).
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