Definition of Megascolecidae
: a very large family of earthworms chiefly of the southern hemisphere containing giant forms that include an Australian species (Megascolides australis) held to reach a length of 11 feet
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Origin and Etymology of megascolecidae
New Latin, from Megascolec-, Megascolex, type genus (from mega- + Greek skōlēk-, skōlēx worm) + -idae
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