In an interesting sidenote to Ohio’s geologic history, nearly all of our bedrock, and consequently its fossilized contents were deposited more than 290 million years ago.

[et al.] -- Biometric analysis of corallite size in the colonial rugosan Crenulites / D.R. Porter, R.J. Elias & G.A. Young -- The earliest growth stages of Amphipora / J. Hladil -- Structure and ...