![Fossilized burrows thought to be left by Paleodictyon nodosum [souce: scitechdaily.com]](https://cdn.zmescience.com/wp-content/uploads/2012/11/paleodictyon-fossil.jpg)
A primitive form of parenting possibly found in 540 million years old paleodictyon patterns
Paleodictyon is a mysterious fossil pattern found mainly in marine sediments thought to be specific of a certain paleo-depth range; it ...
Tag: paleodictyon