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: Test 140-280 μm long, 90-170 μm wide, 40-80 μm in thickness; with flange compressed to thin shelf, usually not extended along neck, pseudostome 28-50 &956;m long, 12-15 μm wide (Illustrated Guide, 1985).

31 μm 63 μm 94 μm; x 640

Nebela carinata (Archer) Leidy (or Nebela marginata Penard ?), test 170 μm long, 110 μm wide, L/W=1.5, pseudostome 37 μm wide, x 400, x 640, No.3, Yahei-daira-shitsugen (Yahei-daira marsh), North of Higashidaiten, Azuma mountains, Yonezawa city, Yamagata Pref., Japan, July 1, 2007 by Y. Tsukii
31 μm 63 μm 94 μm; x 640

Images of collecting locality: No.3, Yahei-daira-shitsugen (Yahei-daira marsh), North of Higashidaiten, Azuma mountains, Yonezawa city, Yamagata Pref., Japan, July 1, 2007 by Y. Tsukii