Phronima

noun

Phron·​i·​ma

ˈfränəmə

: a genus (the type of the family Phronimidae) of pelagic amphipod crustaceans having one known member (P. sedentaria) that lives in a barrel-shaped case made from the swimming bell of a siphonophore or the test of a tunicate

Word History

Etymology

New Latin, from Greek phronimos sane, sensible; probably akin to Greek phren-, phrēn diaphragm, mind

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