English Hell Creek Formation Cited by user TyRex Paleobotany on 28 Jan 2024 The Hell Creek Formation is an intensively studied division of mostly Upper Cretaceous and some lower Paleocene rocks in North America, named for exposures studied along…
English Paleobiota of the Hell Creek Formation Cited by user TyRex Paleobotany on 27 Jan 2024 This is an overview of the fossil flora and fauna of the Maastrichtian-Danian Hell Creek Formation.