Duke University (2008, December 4). Rolling 'Sea Grape' Rocks The Fossil Record. ScienceDaily. Retrieved December 7, 2008 Citat: "...The grape-like animal, tentatively named the Bahamian Gromia, is actually a single-celled organism, fully one inch long...But what makes it really fantastic is that it moves -- very slowly -- by rolling itself along the ocean floor...Matz worked out the genetics of the new creature and found it's a giant amoeba closely related to similar blobs found in the Gulf of Oman, near Antarctica, off Guam, and in the Mediterranean. None of them are known to move..."