Atolla bairdii is a species of true jellyfish in the family Atollidae. It is known from type specimens found in the north Atlantic Ocean, near Cape Hatteras.
Etymology The genus name, Atolla, is derived from the word atoll.Haeckel, E. (1880). Das System der Acraspeden. 2te Hälfte des Systems der Medusen. Acht Nachträge zur Vervollständigung des Systems. Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena. 2: 488
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