Rissoa

noun

Ris·​soa

ˈrisəwə,

rə̇ˈsōə

: a genus (the type of the family Rissoidae) of small snails that live in brackish water and have an acuminate often finely sculptured shell with a corneous operculum

Word History

Etymology

New Latin, after Giovanni A. Risso †1845 French naturalist

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