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Plagiopyxis labiata
Plagiopyxis labiata

Genus Plagiopyxis Penard, 1910

Diagnosis: Shell in ventral view circular or broad oval, in lateral view more or less hemispherical with a flat ventral face; dorsal apertural lip somewhat incurved usually hiding the aperture; aperture a subterminal, elongated slit, perpendicular to long axis of the shell. Surface of shell covered with mineral particles.

Habitat: Almost all species live exclusively in soil or dry mosses (e.g. on trees). Most common species is Plagiopyxis declivis Bonnet & Thomas, 1955.

Remarks: Twenty-two known species.

A Plagiopyxis labiata Penard
B Plagiopyxis penardi Thomas
C Plagiopyxis declivis Thomas
D Plagiopyxis callida Penard
From Thomas, 1958
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