:Inanidrilus extremus

{{short description|Species of annelid}}

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| taxon = Inanidrilus extremus

| authority = (Erséus, 1979)

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Inanidrilus extremus is a species of annelid worm. It is known from subtidal coarse coral sands in the Atlantic coast of Florida.{{cite journal |last1=Erséus |first1=Christer |title=Taxonomy and phylogeny of the gutless Phallodrilinae (Oligochaeta, Tubificidae), with descriptions of one new genus and twenty-two new species |journal=Zoologica Scripta |volume=13 |issue=4 |year=1984 |pages=239–272 |doi=10.1111/j.1463-6409.1984.tb00041.x}}