Defrancia woodiana Moller, 1842 Obesotoma woodiana is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.

[1] This species was named after William Wood, an English surgeon, zoologist and entomologist The length of the shell varies between 12 mm and 17 mm.

This species occurs in European waters and in the Northwest Atlantic Ocean off Svalbard.

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