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ID: 313374
Barnum Brown at work on land tortoise fossil, Hall of Vertebrate Origins, 1930
ID: 315699
Dr. Barnum Brown with mounted Pteranodon, American Museum of Natural History, New York, 1938
ID: ptc-5850
Restoration of Acanthostega, model by Elliot Goldfinger
ID: ptc-5825
Proganochelys, turtle that lived 210 million years ago, Hall of Vertebrate Origins
ID: ptc-6011
Boomerang-shaped head of Diplocaulus, 275 million years old
ID: ptc-6012
Large amphibious tetrapod related to living frogs and salamanders, approximately 280 million years old
ID: ptc-6013
Dissorophus, relative of frogs with armadillo-like armor covering, 280 million years old
ID: ptc-6014
Mastodonosaurus restoration, 250 million years old
ID: ptc-6015
Diadectes, 280 million years old
ID: ptc-6016
Meiolania, 120,000 years old
ID: ptc-6017
Estesia, primitive lizard related to living monitors, 72 million years old
ID: ptc-6018
Madstoia, Boa family of snakes, 55 million years old
ID: ptc-6019
Rhamphorhynchus, primitive pterosaur, 140 million years old, Europe
ID: ptc-6021
Buettneria, early large amphibious tetrapod
ID: ptc-6518
Thalassomedon (plesiosaurus), Hall of Vertebrate Origins, 1996
ID: ptc-6641
David McCornack preparing Tylosaurus, Hall of Vertebrate Origins, 1996
ID: ptc-6642
Jeanne Kelly preparing Xiphactinus, Hall of Vertebrate Origins, 1996
ID: ptc-6645
Lowell Dingus with Mastodonsaurus, Hall of Vertebrate Origins, 1996
ID: ptc-6646
Preparation of Pteranodon by Carl Mehling, Mark Mancini, Steven Warsavage, and John Fulton, Hall of Vertebrate Origins, 1996
ID: ptc-6647
Preparation of Pteranodon by Carl Mehling, Mark Mancini, Steven Warsavage, and John Fulton, Hall of Vertebrate Origins
ID: ptc-6648
ID: ptc-6649
ID: ptc-6650
Curator John Maisey with jaws of Carcharodon megalodon, Hall of Vertebrate Origins, 1996
ID: ptc-6651
Curator John Maisey with jaws of Carcharodon megalodon
ID: ptc-6652
ID: ptc-6643
ID: ptc-6644
Jeanne Kelly preparing Xiphactinus
ID: ptc-6635
Fossil turtles, Hall of Vertebrate Origins
ID: ptc-6653
Curator Eugene Gaffney with six-million-year-old pleurodire Stupendemys
ID: ptc-6655
ID: ptc-6656
ID: ptc-6636
Fossil turtles, Hall of Vertebrate Origins, exhibition preparation, 1996
ID: ptc-6443
Hypsidoris farsonensis, Hall of Vertebrate Origins
ID: ptc-6657
Mark Norell with Triassic Archosaur Prestosuchus and Phytosaur skull, Hall of Vertebrate Origins, 1996
ID: ptc-6437
Hall of Vertebrate Origins under construction, 1996
ID: ptc-6435
Prestosuchus, Hall of Vertebrate Origins, 1996
ID: ptc-6436
Pteranodon fossil
ID: ptc-5875
Fossil, braincase and jaws (with metal restoration) of Xenacanth shark (Orthocanthus), 280-million-years-old, from Texas
ID: ptc-5876
Arthrodire, Dunkleosteus, Early Jurassic, Hall of Vertebrate Origins
ID: ptc-5877
Carcharodon jaws in Hall of Vertebrate Origins, under construction, 1996
ID: ptc-6634
Jeanne Kelly and Marilyn Fox paint background for Cretaceous fish Xiphactinus, with skeletal cast overhead, Hall of Vertebrate Origins, 1996
ID: ptc-6633
Preparators Jeanne Kelly and Marilyn Fox paint background for bones of the Cretaceous fish Xiphactinus, with skeletal cast overhead, Hall of Vertebrate Origins, 1996
ID: ptc-990
Giant turtle in the sea, restoration painting by Charles R. Knight
ID: 35041
Ichthyosaurus quadriscissus skeleton and young, American Museum of Natural History
ID: ptc-5826
Arthrodire, 360-million-year-old Dunkleosteus, a predator