“Although based on considerable sedimentological and paleobotanical evidence, contradictory results have been obtained.”

“Unfortunately however, the paleobotanical data cited were misdated, and one hopes that such information does not enter into the world of dogma.”

“Plant life followed a different route, and the paleobotanical time-eras of Palaeophytic, Mesophytic, and Cenophytic are only approximately equivalent.”