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Corythium dubium gigas
Corythium dubium gigas
C. dubium var. gigas, 79 µm

Corythion dubium var. gigas  Thomas, 1953

Diagnosis: shell ovoid, composed of oval shell-plates, irregularly arranged, very small and usually overlapping each other; aperture sub-terminal, oval and invaginated.

Dimensions: Length 76-90 µm; breadth 34-42 µm; mouth 14-18 µm.

Ecology: Sphagnum and mosses.

Remarks: This variety strongly resembles Trinema enchelys, but differs in the shape of the plate scales.

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