Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome at end of
bent neck; test more or less coiled or folded (Illustrated Guide, 1985).
Species: 120-150 μm long, 100-140 μm wide; test with constriction at base of neck; pseudostome round, 28-35 μm long (Illustrated Guide, 1985). |
31 μm
63 μm
94 μm; x 640
Lesquereusia,
test 95 μm long, 88 μm wide, pseudostome 27 μm wide,
x 640, Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, May 15, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
