![](http://www.alamy.com/thumbs/6/C44F3856-8278-4C82-A5CD-DB959E398161/2JD5RT1.jpg)
Acoelomorph flatworms, Convolutrilobia sp. (probably C. retrogemma), from a marine aquarium.
Size: 6111px × 4090px
Photo credit: © Alf Jacob Nilsen / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: acoel, acoela, acoelomorph, convolutrilobia, flatmark, flatworms, retrogemma, sagittiferidae, xenacoelomorpha