Acoelomorph flatworms, Convolutrilobia sp. (probably C. retrogemma), from a marine aquarium.

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Size: 5919px × 3962px
Photo credit: © Alf Jacob Nilsen / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: acoel, acoela, acoelomorph, convolutrilobia, flatmark, flatworms, retrogemma, sagittiferidae, xenacoelomorpha