DESACTIVA ADBLOCK PARA VISUALIZAR LA PELICULA

     



In the late 1800s, paleontologists in Nebraska discovered enormous coils of hardened sand caught deep in the earth. Neighborhood ranchers known as them Devil’s Corkscrews and experts known as them Daemonelix. It was very clear these corkscrews ended up established by some kind of lifetime, but what?

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References:
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Woodburne, M. (Ed.). (2004). Late Cretaceous and Cenozoic mammals of North The usa: biostratigraphy and geochronology. Columbia University Push.
Darwin, C. (1859). On the origin of species by signifies of purely natural collection, or preservation of favoured races in the wrestle for lifetime. London.
Barbour, E.H. 1886. Observe of new gigantic fossils.
Barbour, E.H. 1894. Added Notes on the new fossil daimonelix. Its method of occurrence, its gross and moment composition. University of Nebraska Research, vol 2(1) pp 1-14.
Martin, L. D., & Bennett, D. K. (1977). The burrows of the Miocene beaver Palaeocastor, western Nebraska, Usa. Palaeogeography, Palaeoclimatology, Palaeoecology, 22(3), 173-193.
Meyer, R. C. (1999). Helical burrows as a palaeoclimate reaction: Daimonelix by Palaeocastor. Palaeogeography, Palaeoclimatology, Palaeoecology, 147(3), 291-298.
Joeckel, R. M., & Tucker, S. T. (2013). Exceptionally very well preserved newest Miocene (Hemphillian) rodent burrows from the eastern Fantastic Plains, United States, and a evaluate of the burrows of North American rodents. Palaios, 28(11), 793-824.
Mansfield, W. C. (1927). Some peculiar fossil forms from Maryland. Proceedings of the United States Countrywide Museum.
Holman, J. A. (1981). A herpetofauna from an eastern extension of the Harrison Formation (early Miocene: Arikareean), Cherry County, Nebraska. Journal of Vertebrate Paleontology, 1(1), 49-56.
Lugn, A. L. (1941). The origin of Daemonelix. The Journal of Geology, 49(7), 673-696.
Retallack, G. J. (1997). Neogene expansion of the North American prairie. Palaios, 12(4), 380-390.
Hunt, R. M. (1990). Taphonomy and sedimentology of Arikaree (decrease Miocene) fluvial, eolian, and lacustrine paleoenvironments, Nebraska and Wyoming a paleobiota entombed in fine-grained volcaniclastic rocks. Geological Culture of The usa Distinctive Papers, 244, 69-112.
Samuels, J. X., & Valkenburgh, B. V. (2009). Craniodental adaptations for digging in extinct burrowing beavers. Journal of Vertebrate Paleontology, 29(1), 254-268. Craniodental adaptations for digging in extinct burrowing beavers

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