LITERATURE CITED
- Alexander , R. McN. 1976 . Estimates of speeds of dinosaurs . Nature , 261 : 129 – 130 .
- Alexander , R. McN. 1989 . Dynamics of Dinosaurs and Other Extinct Giants 167 New York : Columbia University Press .
- Antunes , M. T. 1976 . Dinosaurios eocretaceos de Lagosteiros . Ciencias da Terra , 1 : 1 – 35 .
- Casamiquela , R. M. and Fasola , A. 1968 . Sobre pisadas de dinosaurios del Cretácico Inferior de Colchagua (Chile). Chile Universidad, Departamento de Geología . Publicaciones , 30 : 24
- Currie , P. J. 1983 . Hadrosaur trackways from the Lower Cretaceous of Canada . Acta Palaeontologica Polonica , 28 : 62 – 74 .
- Currie , P. J. , Nadon , G. C. and Lockley , M. G. 1991 . Dinosaur footprints with skin impressions from the Cretaceous of Alberta and Colorado . Canadian Journal of Earth Sciences , 28 : 102 – 115 .
- Dollo , L. M. 1883 . Troisième note sur les dinosauriens de Bernissart . Bulletin du Musée Royal d'Histoire Naturelle de Belgique , 2 : 85 – 126 .
- de Lapparent , A. F. 1962 . Footprints of dinosaurs in the Lower Cretaceous of Vestpitsbergen-Svalbard . Arbok Norsk Polarinstitutt , 1960 : 14 – 21 .
- Leonardi , G. 1984 . “ Le impronte fossili di Dinosauri; ” . In Sulle Orme dei Dinosauri Edited by: Bonaparte , J. F. , Colbert , E. H. , Currie , P. J. , de Ricqlès , A. , Kielan-Jaworowska , Z. , Leonardi , G. , Morello , N. and Taquet , P. 165 – 168 . Venice : Erizzo Editrice .
- Leonardi , G. 1987 . “ Discussion of the terms and methods; ” . In Glossary and Manual of Tetrapod Footprint Palaeoichnology Edited by: Leonardi , G. 43 – 51 . Brazilia
- Lockley , M. G. 1987 . Dinosaur footprints from the Dakota Group of Eastern Colorado . The Mountain Geologist , 24 : 107 – 122 .
- Lockley , M. G. 1988 . Dinosaurs near Denver. Geological Society of America, Fieldguide. Colorado School of Mines Special Publication .
- Moratalla , J. J. , Sanz , J. L. and Jimenez , S. 1988 . Nueva evidencia icnológica de Dinosaurios en el Cretácico inferior de La Rioja (España) . Estudios geológicos , 44 : 119 – 131 .
- Moratalla , J. J. , Sanz , J. L. and Jimenez , S. “ Dinosaur locomotion patterns inferred from trackways ” . In Vertebrate Behavior as Derived from the Fossil Record Edited by: Horner , J. In press
- Norman , D. B. 1980 . On the ornithischian dinosaur Iguanodon bernissartensis from the Lower Cretaceous of Bernissart (Belgium). Mémoires . Institut Royal des Sciences Naturelles de Belgique , 178 : 1 – 103 .
- Pittman , J. G. 1989 . “ Stratigraphy, lithology, depositional environment, and track type of dinosaur track-bearing beds of the Gulf Coastal Plain; ” . In Dinosaur Tracks and Traces Edited by: Gillette , D. D. and Lockley , M. G. 135 – 153 . New York : Cambridge University Press .
- Sanz , J. L. , Moratalla , J. J. and Casanovas , M. L. 1985 . Traza icnolágica de un Dinosaurio Iguanodóntido en el Cretácico inferior de Cornago (La Rioja, España) . Estudios geológicos , 41 : 85 – 91 .
- Thulborn , R. A. 1989 . “ The gait of dinosaurs; ” . In Dinosaur Tracks and Traces Edited by: Gillette , D. D. and Lockley , M. G. 39 – 50 . New York : Cambridge University Press .
- Thulborn , R. A. and Wade , M. 1984 . Dinosaur trackways in the Winton Formation (Mid-Cretaceous) of Queensland . Memoirs of the Queensland Museum , 21 : 413 – 517 .
- Viera , L. I. and Torres , J. A. El Weald de Hornillo de Cameros (La Rioja). Nuevos datos paleontológicos y paleoicnológicos. Munibe In press