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This paper reports the second species of the genus Laotia Saurin, 1953. L. pahiensis Saurin, 1953 was described from Laos, Pa Hia, whereas the new species, L. christahemmenae n. sp. was collected in Ha Noi Province, Vietnam, approximately 350 km NE of the type localty of the Laotian species. The new species is approximately twice larger than its congener, and has a ribbed shell with a smooth area...
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