"Body fossils" refer to the preserved remains or traces of organisms, such as bones, shells, or teeth, which provide evidence of ancient life on Earth. Full definition
There you can find actual body fossils, which can be preserved beautifully. (discovermagazine.com)
All around were large, distinct body fossils impressed into grand sweeping surfaces. (discovermagazine.com)
The origin and evolution of clitellate annelids — earthworms, leeches and their relatives — is poorly understood, partly because body fossils of these delicate organisms are exceedingly rare. (rsbl.royalsocietypublishing.org)