Lobosea
:
Testacealobosia
: Arcellinida: Difflugiidae
Difflugia
bacillariarum
Perty
Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large, with or lacking a collar (Illustrated Guide, 1985).
Species:
Similar species >>
D. claviformis
;
D. acuminata
;
D. scalpellum
;
Difflugia bacillariarum
Perty, test
180
μm long,
70
μm wide, L/W=
2.6
, pseudostome
43
μm wide, x 400, x 640, Iyari marsh, Omachi city, Nagano Pref., Japan, November 23, 2005 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
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