![](http://www.alamy.com/thumbs/6/DD043643-B28D-4558-A617-63E7073A252A/2JD5RT9.jpg)
Acoelomorph flatworms, Convolutrilobia sp. (probably C. retrogemma), from a marine aquarium.
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