Natatolana sinuosa is a species of crustacean in the family Cirolanidae, and was first described by Stephen John Keable in 2006.

[2][1] The species epithet, sinuosa, describes the "sinuate posterior margins of the coxae".

[1] It is an intertidal,[3] benthic species, living at depths of about 0-30 m,[4] in waters off South Australia, Victoria, Tasmania and New South Wales.

[3] It is sexually dimorphic.

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