Peer Review

We have considered the dubious nature of the Great Permian Contrivance. The Permian, and its supposed date being millions of years ago, isn't a testable hypothesis, so it's not, technically, scientific.

Global Warming

As the waters abated after Noah's flood there was significant global cooling which caused equatorial and polar glaciation. There were temperate zones in the Northern and Southern hemisphere.

Sharks and Bony Fish

Sedimentary deposits containing sharks and bony fish can be assigned to the Mississippian because of how the evolution narrative, of development from primitive to advanced, overlays with the geological timescale.