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Quadrulella quadrigera
Quadrulella quadrigera
Quadrulella quadrigera, Ecuador

Quadrulella quadrigera Deflandre, 1936

Diagnosis: shell colorless, ovoid or slightly pyriform, sides convex or straight; surface composed of quadrangular or sometimes circular, siliceous shell plates, which are usually arranged in a regular manner, usually in rows, with all plates more or less of the same size; aperture straight, surrounded by a thin collar of organic cement.

Ecology: Sphagnum and moss.

Quadrulella quadrigera
Quadrulella quadrigera
Q. quadrigera, 117 and 126 m.
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