@article {5361, title = {Photosynthetic symbioses in animals.}, journal = {J Exp Bot}, volume = {59}, year = {2008}, month = {2008}, pages = {1069 - 1080}, keywords = {Convoluta roscoffensis, Symsagittifera roscoffensis}, author = {Venn,AA and Loram,JE and Douglas,AE} }