1O257LF

Contents
ABSTRACT 1
INTRODUCTION 1
DANA QUARRY STRATIGRAPHY & TAPHONOMY 2
SYSTEMATIC PALEONTOLOGY 6
DESCRIPTION AND COMMENTS 15
DQ-BS = “Brontodiplodocus” 18
DQ-TY = “Twinky” 20
DQ-SB = “Sleeping Beauty” 22
DQ-EN = “Einstein” 22
DQ-PE = “Prince” 26
DISCUSSION 27
Amphicoelias Cope 1877 27
Diplodocus longus Marsh 1878 29
Diplodocus carnegii Hatcher 1901 31
Barosaurus lentus Marsh 1890 31
Apatosaurus Marsh 1877 32
Suuwassea emilieae Harris and Dodson, 2004 35
Eobrontosaurus yahnahpin Filla and Redman 1994 35
Tornieria africana Frass 1908 35
Amphicoelias "brontodiplodocus" new species 36
RECONSTRUCTION OF LIFE HABITS AND PALEOECOLOGY OF AMPHICOELIAS 36
The Skull 36
The Feeding System 37
Rostral Bill 38
Nasal Repositioning 39
Cervical Vertebrae 40
Neural Spines 40
Cervical Ribs 41
Whiptail 41
Rearing 42
Sexual Dimorphism 43
Ontogeny 44
Body Weight 45
Gastroliths 46
ACKNOWLEDGEMENTS 47
Literature CITED 47
Institutional Abbreviations: AMNH, American Museum of Natural History, New York, New York; ANS, Academy of Natural
Science, Philadelphia, Pennsylvania; BYU, Brigham Young University, Provo, Utah; CM, Carnegie Museum of Natural History,
Pittsburgh, Pennsylvania; DMNH, Denver Museum of Natural History, Denver, Colorado; FMNH, Field Museum of Natural History,
Chicago, Illinois; HMNS Houston Museum of Science and Natural History, Texas; NSMT, National Museum of Tokyo; USNM, United
States National Museum, Washington DC; SMA, Sauriermuseum, Aathal, Switzerland; YPM, Yale Peabody Museum, New Haven,
Connecticut, and UWGM, University of Wyoming Geological Museum, Laramie.