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Filosea: Gromiida: Gromiina: Chlamydophryidae

Lecythium sp.
Hertwig & Lesser, 1874

Lecythium Family: Test round, thick, firm, with rod-like radial structure (Illustrated Guide, 1985).
Genus: Test consisting of a thin, flexible, homogeneous envelope, colorless or translucent, without adherent paticles; pseudostome terminal, elastic; cytoplasm colorless, granular, completely filling the test; nucleus large, placed posteriorly; pseudopodia numerous, long, branching but not anastomosing (Cash & Wailes, 1915). Pseudostome oval, cells clustered (Illustrated Guide, 1985).
Similar Genus -->> Chlamydophrys

Lecythium Hertwig & Lesser, cell body spherical, 11-18 μm in diam., x 640, a lotus pond at Ikoi-no-mori park, Fuchu city, Tokyo, Japan, March 10, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Lecythium Lecythium Lecythium Lecythium Lecythium

Lecythium hyalinum (Ehrenberg, 1838): Test like Chlamydophrys, 30-40 μm diam., pseudostome round, 15-20 μm; nucleus spherical, 15-20 μm (Illustrated Guide, 1985).

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*: Cienkowski (Kudo, 1960)
Cienkowsky (Illustrated Guide, 1985)