This image shows a Cryptolithus tessellatus fragment found years ago.  It existed in the Ordovician Period. The fossil plate was found ...

Previously images of an unprepped Cheirurus niagarensis  trilobite pygidium was shown (see this post ).  Recently, the fossil was cleaned...

This images shows a  Dicroidium sp. fork leaved seed fern plant fossil from Molteno Formation. It dates to the Late Triassic Period. The...