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ID: ptc-5826
Arthrodire, 360-million-year-old Dunkleosteus, a predator
ID: 35734
Working on clay model of Brontotherium head
ID: 35140
Man with mastodon skeleton
ID: 35190
<em>Megacerops brachycephalus, </em>female, specimen 4947, skull, left
ID: 36217
Monoclonius double slab mount, dorsal view, 1/12
ID: 35492
Tyrannosaurus head, left view
ID: 35492a
Tyrannosaurus head, left view, mounted
ID: 335820
Fitting the leg bones of Haplocanthosaurus
ID: 131510
Reconstruction of lower jaw of Sagenodus, a fossil dipnoan fish, in Watson and Gill, 1923
ID: 35882
Ankylosaurus magneventris
ID: 35874
Ceratops kaiseni skull, side
ID: 35580
Tyrannosaurus rex skeleton model, exhibit under construction
ID: 35579
ID: 35425
Mounted skeleton of Trachodon mirabilis
ID: 34711
Archaeopteryx siemensii
ID: 35888
Ankylosaurus magneventris, top of tail
ID: 35881
Ankylosaurus magneventris, left
ID: 104456
Moropus sacrum, ventral
ID: 104455
Moropus sacrum, side view
ID: 104454
Moropus left fore foot, outer view
ID: 36044
Complete Merycochoerus skeleton in place, Rosebud Beds
ID: 35923
Tyrannosaurus rex skeleton, in the process of mounting
ID: 35876
Corythosaurus casuarius, head
ID: 35871
Triceratops skull, side view
ID: 35658
Monoclonius skull, side view
ID: 35635
Mounted skeleton of Diadectes, top view
ID: 35552
Diadectes, jaw
ID: 35424
Tyrannosaurus rex-type skull
ID: 35041
Ichthyosaurus quadriscissus skeleton and young, American Museum of Natural History
ID: 46621
Illustration of man digging near Saurolophus skeleton in quarry
ID: 17578
Eryops skeleton, dorsal oblique
ID: 17577
Eryops skeleton
ID: 17576
Gravigrade jaw
ID: 17575
Gravigrade jaw, inferior
ID: 17574
Gravigrade jaw, superior
ID: 17573
Gravigrade jaw, side
ID: 17572
Megalocnus skull palate
ID: 17571
Megalocnus skull, top
ID: 17570
Megalocnus skull, side
ID: 17568
Mesohippus, mounted skeleton
ID: ptc-651
Eocene Horse Eohippus (left), Pleistocen Horse Equis (right), skulls
ID: ptc-1094
Osteolopis macrolepidotus, Crossopterygian (fringe-finned) - Lobe-fin fish, model, Middle Devonian, Scotland
ID: ptc-1093
Osteolopis macrolepidotus, Crossopterygian (fringe-finned) - Lobe-fin fish, model, Middle Devonian of Scotland
ID: ptc-1092
Osteolopis macrolepidotus, Crossopterygian - Lobe-fin Fish, model, Middle Devonian of Scotland
ID: 35331
Tyrannosaurus rex, sacrum pelvis in block
ID: 129039
Charles Lang, Jeremiah Walsh, Charles Hoffman, and Paul Bultman working on Tyrannosaurus rex skull-jaws
ID: ptc-854
Mammal-like Reptiles of South Africa, Brontosaur Hall
ID: ptc-851
The First Reptiles, Brontosaurus Hall
ID: ptc-230
Brontosaurus (Apatosaurus) and Stegosaurus skeletons, Hall of Late Dinosaurs
ID: ptc-707
Corythosaurus, duck-billed dinosaur
ID: ptc-648
Eohippus skeleton
ID: ptc-647
ID: ptc-5413
Rare specimen of Sauropelta, showing preserved armor as in life
ID: ptc-5321
Early Ruling Reptiles: The Fort Lee Phytosaur exhibit in old Dinosaur Hall
ID: ptc-5308
Phytosaurs exhibit, giant crocodilian skull in view, Dinosaur Hall
ID: ptc-5374
Fossil ammonite, iridescent
ID: ptc-5414
Stegosaurus skeleton with painted background
ID: ptc-5407
Apatasaurus, first large dinosaur mounted for exhibition
ID: ptc-5314
Large fossil from Ghost Ranch, New Mexico, on exhibit in old Dinosaur Hall
ID: ptc-5327
Jurassic Dinosaurs exhibit
ID: 41846
Fossil fish
ID: 39114
Gorgosaurus skull, right side
ID: 35047
Mounted skull of Allosaurus fragilis, American Museum of Natural History
ID: 104441
Lower teeth of Microchoerus erinaceus, drawing by Stehlin, 1916
ID: 218169
Tyrannosaurus rex and Ornithomimus
ID: 46569
Hoplophoneus primaevus skeleton, right side, American Museum of Natural History
ID: 46568
Hoplophoneus primaevus skeleton, left side, American Museum of Natural History
ID: 46567
ID: 46566
Patriofelis ferox skeleton, right side
ID: 46561
Diplodocus longus tail vertebrae 16, 17, 19, 21, 23, 25, 27, 33, and 35, posterior, American Museum of Natural History
ID: 46560
Diplodocus longus tail vertebrae 11, 12, 13, 14, 15, posterior, American Museum of Natural History
ID: 46559
Diplodocus longus tail vertebrae 7, 8, 9, 10, posterior, American Museum of Natural History
ID: 46558
Diplodocus longus tail vertebrae 4, 5, 6, posterior, American Museum of Natural History
ID: 46557
Diplodocus longus tail vertebrae 1, 2, 3, posterior, American Museum of Natural History
ID: 46556
Diplodocus longus tail vertebrae 16, 17, 19, 23, 25, 27, 33, 35, anterior, American Museum of Natural History
ID: 46555
Diplodocus longus tail vertebrae 11, 12, 13, 14, 15, anterior, American Museum of Natural History
ID: 46554
Diplodocus longus tail vertebrae 7, 8, 9, 10, anterior, American Museum of Natural History
ID: 46553
Diplodocus longus tail vertebrae 4, 5, 6, anterior, American Museum of Natural History
ID: 46552
Diplodocus longus tail vertebrate 1. 2. 3, anterior
ID: 46551
Diplodocus longus. tail vertebrae 1,4,7
ID: 46550
Diplodocus longus, tail vertebrae, 1, 4, 7, left
ID: 46549
Diplodocus longus, ilium and sacral vertebrae, post oblique
ID: 46548
Diplodocus longus, ilium and sacral vertebrae
ID: 46547
Diplodocus longus, ilium and sacral vertebrae, front oblique
ID: 46546
Diplodocus longus, ilium and sacral vertebrae, front
ID: 46545
Diplodocus longus, ilium and sacral vertebrae, left
ID: 46544
Diplodocus longus, ilium and lumbar, left
ID: 46543
Diplodocus longus in case, pelvic region, left
ID: 46542
Diplodocus lumbar, post extreme oblique
ID: 46541
Diplodocus lumbar, post oblique
ID: 46540
Diplodocus lumbar, anterior extreme oblique
ID: 46539
Diplodocus lumbar, anterior oblique
ID: 45614
Preparing Brontosaurus (Apatosaurus) skeleton
ID: 35446
Skeleton of Camptosaurus, American Museum of Natural History
ID: K505_02
Corythosaurus, American Museum of Natural History
ID: K17181
Palm leaf of the Late Cretaceous period
ID: K13100
Triassic pustularia alpina Eichwald (gastropod), Austria
ID: 128003
Excavation of Albertosaurus libratus [Gorgosaurus sternbergi], Alberta, Canada
ID: 335831
Haplocanthosaurus leg bones arranged in position, Vertebrate Paleontology Lab
ID: 39131
Mammoth exhibits and mural