: a pelagic cephalopod (genus Argonauta) of which the female has a delicate papery shell
Illustration of paper nautilus
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Last year’s competition was won by Jialing Cai, whose photograph of a paper nautilus drifting on a piece of ocean debris at night, surrounded by heavy sediment, was taken in the Philippines.—Jack Guy, CNN, 15 Aug. 2024 The winning and commended images of the Ocean Photographer of the Year 2023 competition were recently announced, with the marine biologist and amateur photographer Jialing Cai named the overall winner for her image of a paper nautilus floating on a piece of ocean debris.—Alan Taylor, The Atlantic, 20 Sep. 2023 As a buoyancy aid, the argonaut’s paper nautilus is superficially similar to the much harder shell of its namesake, the chambered nautiluses (right).—Ed Yong, Discover Magazine, 18 May 2010 Scientists have long wondered about the purpose of the argonaut’s paper nautilus.—Ed Yong, Discover Magazine, 18 May 2010 The argonaut octopuses secrete a thin, white, brittle shell called the paper nautilus.—Ed Yong, Discover Magazine, 23 Dec. 2010
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