Trinema complanatum
Trinema complanatum
Trinema complanatum

 

Trinema complanatum Penard, 1890

 

Diagnosis: Shell broad elliptical, nearly rectangular with rounded corners; compressed, broad elliptical in transverse section. Shell composed of circular to broad elliptical platelets, hardly visible. Aperture normally broad elliptical, invaginated. Nucleus with a central nucleolus.

 

Dimensions: Length 39-49 µm (Penard); 43-60 µm (Hoogenraad & De Groot)

 

Ecology: mosses, Sphagnum, aquatic vegetation, moistened soils.

 

Remarks: Typical specimens are clear to distinguish from Trinema enchelys and Trinema lineare.

 

 

Trinema complanatum
Trinema complanatum
T. complanatum
Trinema complanatum
Sumatra
T. complanatum
Living specimen, the Netherlands