Bulletins of American paleontology . North Carolina Geol. Sur.: Emmons220 nokth-cakolina geological survey. 129. epoch of these reptiles is earher than that of the miocene beds. They are fouud in thosebeds for the same reason thattlie exogyra costataof the greensand is also found in the mio-cene. While it is clear enoughthat fossils have been washedout of the green sand into themiocene. I have no evidencethat they have been transport-ed into the eocene, the nextseries above. The deposits seemto have quietly succeeded thegreen sand ; but when the mio-cene period arrived, there wasa breaking np
Bulletins of American paleontology . North Carolina Geol. Sur.: Emmons220 nokth-cakolina geological survey. 129. epoch of these reptiles is earher than that of the miocene beds. They are fouud in thosebeds for the same reason thattlie exogyra costataof the greensand is also found in the mio-cene. While it is clear enoughthat fossils have been washedout of the green sand into themiocene. I have no evidencethat they have been transport-ed into the eocene, the nextseries above. The deposits seemto have quietly succeeded thegreen sand ; but when the mio-cene period arrived, there wasa breaking np of the olderseries, and their contents carri-ed immediately np to this pe-riod, and nnder favorable cir-cumstances fossils of both periods were intermingled together,and hence I regard the animals nnder consideration to havelived before the miocene beds were deposited. The teeth which I have figured I have referred to a genusof crocodilian reptiles established by Prof. Owen, and Avhich,in England, belonged to the chalk or cretaceous system. Tlie following description is drawn from the teeth beforeme: Teeth
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