Species: Test elongate, small, usually scales invisible (= homogenous in appearance),
18-35 μm long, 7-17 μm wide;
pseudostome 3-6 μm; scales 3-6 μm
(Cash & Wailes, The British Freshwater Rhizopoda and Heliozoa vol. III, 1915).
Trinema lineare Penard,
test 48 μm long, 19 μm wide, L/W=, pseudostome μm wide,
x 640, Ohnuma (a pond at Ohnuma enchi), Nasu-shiobara city (formerly Shiobara town), Tochigi Pref., Japan, April 1, 2007, by Y. Tsukii
x 640, No.7, Oh-numa marsh, Akita-Hachimantai, Kazuno city, Akita Pref., Japan, September 21, 2007 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No.7, Oh-numa marsh, Akita-Hachimantai, Kazuno city, Akita Pref., Japan, September 21, 2007 by Y. Tsukii