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Reference.org
Cirroteuthis
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<p><i>Cirroteuthis muelleri</i>, also known as the big-finned jellyhead, was the first cirrate octopus species (and genus) to be scientifically described (in 1836). It is closely related to the genus <i>Cirrothauma</i> within the family Cirroteuthidae. The species is restricted to the Arctic Ocean and far North Atlantic (specimens from the southern hemisphere and Pacific have been attributed to a new species <i>Cirroteuthis kirrilyae</i> Verhoeff & O'Shea, 2025). </p>