These forms in a polished limestone that is used in building
http://img28.imageshack.us/img28/8509/fossil11.jpg
Yfrog - fossil11 - Uploaded by ezrahi (http://yfrog.com/0sfossil11j)
Could they be fossils or just casual paterns in the stone?

To MACROIDEAL
I've tried the links and the picture opens.
http://yfrog.com/0sfossil11j
Is quicker

The link seems broken

Maybe it could be a fossil but I'm not sure it's a animal cause I don't see any for of structure of a bone maybe it could be a plant but it sure is a fossill