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Lobosea: Testacealobosia: Arcellinida: Difflugina: Lesquereusiidae

 Lesquereusia sp.
Schlumberger, 1835

Lesquereusia 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:

Lesquereusia sp. (or Pontigulasia sp. ?), test 100 μm long, μm wide, x 200, x 400, x 640, Japan, December 1998 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Lesquereusia Lesquereusia Lesquereusia Lesquereusia Lesquereusia

Lesquereusia spiralis (Ehrenberg, 1840): 95-190 μm long, 75-150 μm wide, 50-100 μm deep; test like flask, neck against body; with secreted imbedded siliceous particles; pseudostome circular 30-50 μm diam.

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