A New Dinosaur Ichnotaxon from the Lower Cretaceous Patuxent Formation of Maryland and Virginia

REFERENCES

• Aguirrezabala , L. M. , Torres , J. S. and Viera , L. I. 1985 . El Weald de Igea (Cameros-La Rioja). Sedimentologia, bioestratigrafia y paleoichnologia des grandes reptiles (dinosaurios) Munibe . Sociedad de Ciencias naturales Aranzadi, San Sebastian , 37 : 111
   Google Scholar
• Casanovas-Cladellas , M. L. , Fernandez-Ortega , Perez-Lorente , F. and Santafe-Llopis , J.-V. 1991 . Ichnitas de dinosaurios en Valdevajes (La Rioja) . Revista EspaZola Paleontologia , 7 : 97 – 99 .
   Google Scholar
• Chinnery , B. J. , Lipka , T. R. , Kirkland , J. I. , Parrish , J. M. and Brett-Surman , M. K. 1998 . “ Neoceratopsian teeth from the Lower to Middle Cretaceous of North America ” . In Lower and Middle Cretaceous Terrestrial Ecosystems , New Mexico Museum of Natural History and Science Bulletin, 14 Edited by: Lucas , S. G. , Kirkland , J. I. and Estep , J. W. 297 – 302 .
   Google Scholar
• Cifelli , R. L. , Lipka , T. R. , Schaff , C. R. and Rowe , T. B. 1999 . First Early Cretaceous mammal from the eastern seaboard of the United States . Journal of Vertebrate Paleontology , 19 : 199 – 203 .
   Web of Science ®Google Scholar
• Clark , W. B. and Miller , B. L. 1912 . Physiography and geology of the coastal plain province of Virginia, with chapters on the Lower Cretaceous by Edward W. Berry, and the economic geology, by Thomas Leonard Watson . Virginia Geological Survey Bulletin , 4 : 1 – 274 .
   Google Scholar
• Dollo , L. 1882 . Première note sur les dinosauriens de Bernissart . Bulletin Musée Royale Histoire Naturelle Belgique , 1 : 161 – 180 .
   Google Scholar
• Doyle , J. A. 1983 . Palynological evidence for Berriasian age of basal Potomac Group sediments, Crisfield well, eastern Maryland . Pollen et Spores , 25 : 499 – 530 .
   Google Scholar
• Fontaine , W. M. 1896 . The Potomac Formation in Virginia . United States Geological Survey Bulletin , 145 : 1 – 149 .
   Google Scholar
• Galton , P. M. 1974 . The ornithischian dinosaur Hypsilophodon from the Wealden of the Isle of Wight . Bulletin of the British Museum (Natural History), Geology , 25 : 1 – 152 .
   Google Scholar
• Galton , P. M. 1975 . English hypsilophodontid dinosaurs (Reptilia: Ornithischia) . Palaeontology , 18 : 741 – 752 .
   Google Scholar
• Galton , P. M. 1981 . Dryosaurus, a hypsilophodontid dinosaur from the Upper Jurassic of North America and Africa: Postcranial skeleton . Palaeontologia Zeitschrift , 55 : 271 – 312 .
   Google Scholar
• Galton , P. M. and Jensen , J. A. 1979 . Remains of ornithopod dinosaurs from the Lower Cretaceous of North America . Brigham Young University Geological Studies , 25 : 1 – 10 .
   Google Scholar
• Gilmore , C. W. 1921 . The fauna of the Arundel Formation of Maryland . Proceedings of the United States National Museum , 59 : 581 – 594 .
   Google Scholar
• Gilmore , C. W. 1921 . The fauna of the Arundel Formation of Maryland . Proceedings of the United States National Museum , 59 : 581 – 594 .
   Google Scholar
• Glaser , J. D. 1969 . Petrology and origin of Potomac and Magothy (Cretaceous) sediments, middle Atlantic Coastal Plain . Maryland Geological Survey Report of Investigations , 11 : 1 – 102 .
   Google Scholar
• Kirkland , J. I. , Burge , D. L. , Carpenter , K. , Cifelli , R. L. , DeCourten , F. L. , Eaton , J. G. , Hasiotis , S. and Lawton , T. F. 1997 . Lower to Middle Cretaceous dinosaur faunas of the central Colorado Plateau: a key to understanding 35 million years of tectonics, evolution, and biogeography . Brigham Young University Geology Studies , 42 : 69 – 103 .
   Google Scholar
• Kranz , P. M. 1989 . Dinosaurs in Maryland . Maryland Geological Survey, Educational Series , 6 : 1 – 34 .
   Google Scholar
• Kranz , P. M. 1996 . Notes on the sedimentary iron ores of Maryland and their dinosaurian fauna . Maryland Geological Survey, Special Publication , 3 : 87 – 115 .
   Google Scholar
• Kranz , P. M. 1998 . “ Mostly dinosaurs: a review of the vertebrates of the Potomac Group (Aptian Arundel Formation), USA ” . In Lower and Middle Cretaceous Terrestrial Ecosystems , New Mexico Museum of Natural History and Science Bulletin, 14 Edited by: Lucas , S. G. , Kirkland , J. I. and Estep , J. W. 235 – 238 .
   Google Scholar
• Lipka , T. R. 1996 . Recovery of new dinosaur and other fossils from the Early Cretaceous Potomac Group (Aptian) of central Maryland, USA. Sixth North American Paleontological Convention, Abstracts of Papers . Paleontological Society Special Publication , 8 : 241
   Google Scholar
• Lipka , T. R. 1998 . “ The affinities of the enigmatic theropods of the Arundel Clay facies (Aptian), Potomac Formation, Atlantic Coastal Plain of Maryland ” . In Lower and Middle Cretaceous Terrestrial Ecosystems , New Mexico Museum of Natural History and Science Bulletin, 14 Edited by: Lucas , S. G. , Kirkland , J. I. and Estep , J. W. 229 – 234 .
   Google Scholar
• Lockley , M. G. , dos Santos , V. F. , Meyer , C. A. and Hunt , A. P. 1998 . “ A new dinosaur tracksite in the Morrison Formation, Boundary Butte, Southeastern Utah ” . In The Upper Jurassic Morrison Formation: an interdisciplinary study , Modern Geology, 23 Edited by: Carpenter , K. , Chure , D. and Kirkland , J. 317 – 330 .
   Google Scholar
• Lockley , M. G. and Meyer , C. A. 2000 . Dinosaur tracks and other fossil footprints of Europe , 323 p. New York : Columbia University Press .
   Google Scholar
• Lull , R. S. 1911a . “ The reptilia of the Arundel Formation ” . In Lower Cretaceous, Maryland Geological Survey , 173 – 178 . Baltimore, Maryland : Johns Hopkins Press .
   Google Scholar
• Lull , R. S. 1911b . “ Systematic Paleontology of the Lower Cretaceous deposits of Maryland: Vertebrata ” . In Lower Cretaceous, Maryland Geological Survey , 183 – 211 . Baltimore, Maryland : Johns Hopkins Press .
   Google Scholar
• Marsh , O. C. 1881 . Principal characters of American Jurassic dinosaurs, Part V . American Journal of Science , 21 ( series 3 ) : 417 – 423 .
   Google Scholar
• Marsh , O. C. 1888 . Notice of a new genus of Sauropoda and other new dinosaurs from the Potomac Formation . American Journal of Science , 35 : 89 – 94 .
   Google Scholar
• Martin , C. S. and Brett-Surman , M. K. 1992 . A preliminary report on new dinosaur material from the Arundel Formation (Lower Cretaceous) of Maryland . Journal of Vertebrate Paleontology , 12 : 41A – 42A .
   Google Scholar
• Martin-Escorza , C. 1992 . Gregarismo y dinosaurios . Revista EspaZola Paleontologia , 7 : 97
   Google Scholar
• Norman , D. and Wellnhofer , P. 2000 . The Illustrated Encyclopedia of Dinosaurs , 400 p. London : Salamander Books, Ltd. .
   Google Scholar
• Ostrom , J. H. 1970 . Stratigraphy and paleontology of the Cloverly Formation (Lower Cretaceous) of the Bighorn Basin area, Wyoming and Montana . Peabody Museum of Natural History Bulletin , 35 : 1 – 234 .
   Google Scholar
• Rose , K. D. , Cifelli , R. L. and Lipka , T. R. 2001 . Second triconodont dentary from the Early Cretaceous of Maryland . Journal of Vertebrate Paleontology , 21 : 628 – 632 .
   Web of Science ®Google Scholar
• Russell , D. A. 1989 . An odyssey in time: The dinosaurs of North America , 240 p. Minocqua, Wisconsin : North Word Press, Inc. .
   Google Scholar
• Seeley , H. G. 1888 . The classification of the Dinosauria . Report of the British Association for the Advancement of Science , 1887 : 698 – 699 .
   Google Scholar
• Smith , A. G. , Smith , D. G. and Funnell , B. M. 1994 . Atlas of Mesozoic and Cenozoic coastlines, New York , 99 p. Cambridge : Cambridge University Press .
   Google Scholar
• Stanford , R. and Lockley , M. G. 2002 . Diverse vertebrate track assemblages from the Early Cretaceous of Maryland . Journal of Vertebrate Paleontology , 22 : 111A
   Google Scholar
• Stanford , R. , Lockley , M. G. and Weems , R. E. “ Diverse dinosaur dominated ichnofaunas from the Potomac Group (Lower Cretaceous) Maryland ” . In 200 Years of Vertebrate Ichnology , Edited by: Rainforth , E. and McCrea , R. Indiana University Press .
   Google Scholar
• Stanford , R. and Stanford , S. M. 1998 . “ And the sauropods wore sneakers ” . In Abstracts of the Dinofest Symposium (April 17–19, 1998) , Edited by: Wolberg , D. L. , Gittis , K. , Miller , S. , Carey , L. and Raynor , A. Academy of Natural Sciences of Philadelphia .
   Google Scholar
• Sues , H.-D. 1980 . Anatomy and relationships of a new hypsilophodontid dinosaur from the Lower Cretaceous of North America . Palaeontographica A , 169 : 51 – 72 .
   Google Scholar
• Weems , R. E. and Bachman , J. M. 1997 . Cretaceous anuran and dinosaur footprints from the Patuxent Formation of Virginia . Proceedings of the Biological Society of Washington , 110 : 1 – 17 .
   Web of Science ®Google Scholar
• Weishampel , D. B. 1990 . “ Dinosaurian Distribution ” . In The Dinosauria , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 63 – 139 . Berkeley : University of California Press .
   Google Scholar
• Weishampel , D. B. 1996 . Dinosaurs of the East Coast , 275 p. Baltimore : Johns Hopkins University Press .
   Google Scholar
• Zarra , L. 1989 . “ Sequence stratigraphy and foraminiferal biostratigraphy for selected wells in the Albemarle Embayment, North Carolina ” . In North Carolina Geological Survey Open-File Report 1 – 48 .
   Google Scholar