Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Robert K. Denton"'
A mid-Cretaceous tyrannosauroid and the origin of North American end-Cretaceous dinosaur assemblages
Autor:
Mark A. Loewen, Stephen L. Brusatte, Andrew T. McDonald, Robert K. Denton, Alan H. Turner, Douglas G. Wolfe, Nathan D. Smith, Sterling J. Nesbitt, James I. Kirkland
Publikováno v:
Nesbitt, S J, Denton Jr, R K, Loewen, M A, Brusatte, S, Smith, N D, Turner, A H, Kirkland, J I, McDonald, A T & Wolfe, D G 2019, ' A mid-Cretaceous tyrannosauroid and the origin of North American end-Cretaceous dinosaur assemblages ', Nature Ecology & Evolution . https://doi.org/10.1038/s41559-019-0888-0
Late Cretaceous dinosaur assemblages of North America—characterized by gigantic tyrannosaurid predators, and large-bodied herbivorous ceratopsids and hadrosaurids—were highly successful from around 80 million years ago (Ma) until the end of the
Publikováno v:
Geological Society of America Abstracts with Programs.
Autor:
Robert K. Denton
Publikováno v:
Geological Society of America Abstracts with Programs.
Autor:
Robert C. O'Neill, Robert K. Denton
Publikováno v:
Journal of Vertebrate Paleontology. 18:484-494
The Ellisdale site (Late Cretaceous, Campanian), Monmouth County, New Jersey, has produced the first representative fossil amphibian specimens from the Cretaceous of eastern North America. The known fauna includes indeterminate pelobatid and discoglo
Publikováno v:
Journal of Vertebrate Paleontology. 17:561-573
The skeleton of the enigmatic theropod Dryptosaurus aquilunguis is redescribed in light of the many new theropods named since Cope's original description in 1866. Unfortunately, the fragmentary nature of the single known skeleton makes comparison wit
Autor:
J. Michael Parrish, J. Howard Hutchison, Robert C. O'Neill, James I. Kirkland, Jeffrey G. Eaton, Robert K. Denton
Publikováno v:
Geological Society of America Bulletin. 109:560-567
There is a marked, possibly stepwise, extinction of marine taxa across the Cenomanian-Turonian boundary. Across the boundary in southwestern Utah, there is only minor species-level extinction of brackish-water taxa, and an actual increase in diversit
Autor:
Robert K. Denton, Robert C. O'Neill
Publikováno v:
Journal of Vertebrate Paleontology. 15:235-253
A new fossil teiid lizard from the Upper Cretaceous Marshalltown Formation (Campanian) of Monmouth County, New Jersey is described as Prototeius stageri, gen. et sp. nov. Based on the holotypic dentary and referred specimens, the genus is diagnosed b