Reptantia

plural noun

Rep·​tan·​tia

repˈtanch(ē)ə,

-ntēə

: a suborder of decapod crustaceans comprising lobsters, crabs, hermit crabs, and related forms and having no stylocerite, the abdomen well developed to greatly reduced and frequently depressed but never laterally compressed, the rostrum reduced or absent and usually depressed if present, and the second antennal scale reduced or absent

Word History

Etymology

New Latin, from Latin, neuter plural of reptant-, reptans, present participle of reptare to creep

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