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Sars G.O., 1878

Shell very small (1 mm diameter), a biconcave planospiral of up to four whorls. Aperture circular. Snout broad, bilobed, and ciliate, with eyes at base of each lobe; cephalic tentacles absent. Foot bilobed anteriorly, with a median pedal gland opening on sole. No ctenidium.

Source: Hayward et al., 1990.

The following subtaxa of this family occur in the region:

Genus Ammonicera
Ammonicera rota
Genus Omalogyra
Omalogyra atomus

Family Omalogyridae