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Deharvengia japonica
Deharvengia japonica, after Bobrov, Shimano and Mazei, 2012

Genus Deharvengia Bonnet, 1979, emend. Bobrov, Shimano and Mazei, 2012

Diagnosis: Test transparent, oval or ovoid in broad view, circular to narrow elliptical in cross-section. Aperture elliptic or narrow elliptic, ventral side cut at about 6/7 of the length of the entire test and surrounded by a thin organic lip. On the dorsal side the shell forms a small cap over the pseudostome, sometimes with a narrow organic lip along the edge. Shell covered by elongate-elliptic idiosomes varying in size in different species. Transparent clavate spines, may be present on each side of the test.

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