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

 

 

Corythion dubium var. gigas Thomas, 1953

 

Diagnosis: shell ovoid, composed 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.