The Ordovician is supposedly period of time but the description that we have sounds suspiciously like the fauna of a marine habitat. The Cambrian is the sea floor, the Ordovician is the open ocean immediately above it.
August 5th
May 19th
The reptile/mammal transition isn’t evolution, there’s no passage of heritable traits from generation to generation, it’s abiogenesis. We use spherogenetic systematics as a deductive tool.
May 3rd
People have found many ingenious reasons to reject the truth of the Bible. There are also some which aren't ingenious, not by a long shot.