Potamonidae

plural noun

Pot·​a·​mon·​i·​dae

ˌpätəˈmänəˌdē

: a family of freshwater crabs (superfamily Brachyrhyncha) whose young undergo metamorphosis in the egg and hatch as miniature adults see river crab

Word History

Etymology

New Latin, from Potamon, type genus (from Greek potamos river) + -idae

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