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ID: ptc-5828
Knightia eocaena, numerous small herrings representing a mass mortality, Early Eocene of Wyoming, United States, about 57 million years old, length of each individual shown, 9 cm
ID: ptc-5827
Fossil fish Sacabambaspis Janvieri, an ostracoderm from the Late Ordovician of Bolivia (cast), about 450 million years old
ID: ptc-5826
Arthrodire, 360-million-year-old Dunkleosteus, a predator
ID: ptc-5825
Proganochelys, turtle that lived 210 million years ago, Hall of Vertebrate Origins
ID: ptc-5824
Vinctifer comptori, Early Cretaceous approximately 100 million years ago, Brazil
ID: ptc-5823
Calamopleurus cylindricus, Early Cretaceous, 110 million years ago, L 91cm, Brazil
ID: ptc-5822
Complete skeleton of Rhacolepis buccalis, Early Cretaceous, about 110 million years old, Brazil
ID: ptc-5821
Cladocyclus Gardneri, early Cretaceous, approximately 110 million years ago, L 111 cm, Brazil
ID: ptc-5820
Archaeopteryx taking off and in flight, painting by Steve Quinn, Hall of Saurischian Dinosaurs
ID: ptc-5819
Allosaurus mount after construction, Hall of Saurischian Dinosaurs, 1995
ID: ptc-5818
ID: ptc-5816
Allosaurus, Hall of Saurischian Dinosaurs under construction, 1995
ID: ptc-5815
Tyrannosaurus rex, Hall of Saurischian Dinosaurs under construction, 1995
ID: ptc-5813
Tyrannosaurus rex in foreground, Apatasaurus in background, Hall of Saurischian Dinosaurs under construction, 1995
ID: ptc-5812
Ursus spelaeus, from the Cave of Mokrau, Moravia, Czechoslovakia
ID: ptc-5804
Early Jurassic era in Germany (180 million years ago. Depicted are marine animals (from left to right,: Plesiosaurus, Stenopterygius, Mystriosaurus, Dapedium and Hybodus) with pterosaurs (Campylognathoides) flying above the water. Painting by Robert J. Barber
ID: ptc-5803
Devonian Era underwater scene of Escuminac Bay, Quebec, Canada, 360 million years ago. Painting by Robert J. Barber
ID: ptc-5802
Eocene of Green River, Wyoming. Animals depicted (from left to right): Saniwa, Diplomystus, Baena, Leidyosuchus, Tryonix or Plastomenus (foreground), Boavus. Painting by Robert J. Barber
ID: ptc-5801
Eocene subtropical forest surrounding the Green River Lake system, southwestern Wyoming (32 million years ago). Animals depicted include Orohippus (right). Painting by Robert J. Barber
ID: ptc-5800
Jurassic dinosaurs (from 140 million ears ago) of Utah, Colorado, Wyoming region. Painting by Robert J. Barber
ID: ptc-5799
Cretaceous dinosaurs of Mongolia (72 million years ago). Depicted are, from left to right: Saurornithoides, Pinacosaurus, Protoceratops, Mononykus, Velociraptor and Oviraptor. Painting by Robert J. Barber
ID: ptc-5798
Pleistocene (about 19,000 years ago) in the Los Angeles Basin: saber-toothed cat (Smilodon), dire wolves (Canisdirus), giant ground sloth (Paramylodon), Columbian mammoths (Mammut huscolumbi) and a herd of Equus scotti. Painting by Robert J. Barber
ID: ptc-5797
Oligocene (32 million yeard ago) in the northern Great Plains of Badlands National Park, South Dakota: Painting by Robert J. Barber
ID: ptc-5796
Miocene era of South Dakota, 10 million years ago, painting by Robert J. Barber
ID: ptc-5795
Cretaceous era of Alberta, Canada, painting by Robert Barber
ID: ptc-5794
Cretaceous dinosaurs (from 107 million years ago) in Montana and Wyoming, painting by Robert J. Barber
ID: ptc-5793
Early Permian (280 million years ago) in Texas, with Orthascanthus (a shark) in the foreground and Eryeps (a tetrapod) in the background, among other vertebrates. Painting by Robert J. Barber
ID: ptc-5787
Praying mantis preserved in amber with gnats and midges, 25 million years old from the Dominican Republic
ID: ptc-5786
Scorpion preserved in amber, approximately 25 million years old, Dominican Republic
ID: ptc-5783
Skull, Pachycephalosaurus wyomingensis, Montana
ID: ptc-5758
Praying mantis and ants in amber, 25 to 30 million years old, Dominican amber, private collection, 1995
ID: ptc-5757
Feathers in amber, 25 to 30 million years old
ID: ptc-5756
Stegoceras validus, cast of skull and jaws, Red Deer River, Alberta, Canada
ID: ptc-5748
Evolution of the Horse, Hall of Advanced Mammals, Lila Acheson Wallace Wing of Mammals and their Extinct Relatives, 1994
ID: ptc-5577
Skull and jaws,Tyrannosaurus rex, three-quarters view, Hall of Saurischian Dinosaurs, 1995
ID: ptc-5575
Cladogram, wall diagram showing evolutionary relationships and relative ages between Ornithischian and Saurischian dinosaurs, Hall of Ornithischian Dinosaurs
ID: ptc-5514
Mammals of the Oligocene Period, oil painting by Charles R. Knight, 1930, Hall of Advanced Mammals, 1995
ID: ptc-5513
Gomphotherium, Paul and Irma Milstein Hall of Advanced Mammals, Lila Acheson Wallace Wing of Mammals and their Extinct Relatives, 1995
ID: ptc-5512
Mammals of the Upper Pliocene Period, painting by Charles R. Knight, 1930, Paul and Irma Milstein Hall of Advanced Mammals, Lila Acheson Wallace Wing of Extinct Mammals, 1995
ID: ptc-5511
Paul and Irma Milstein Hall of Advanced Mammals, southeast corner, Lila Acheson Wallace Wing of Mammals and their Extinct Relatives, 1995
ID: ptc-5510
Fossil, exhibition preparation
ID: ptc-5494
Roy Chapman Andrews and William P. T. Hill mapping Badlands, Mongolia, Central Asiatic Expedition, 1928
ID: ptc-5493
Tyrannosaurus rex
ID: ptc-5492
Allosaurus mount, Hall of Saurischian dinosaurs
ID: ptc-5491
Apatosaurus
ID: ptc-5418
Barnum Brown's field party, shown wearing mosquito protection, ready for prospecting, Red Deer River area, Canada, 1912
ID: ptc-5417
Dinosaur bones transported by wagon loaded onto Union Pacific railroad cars for the journey to New York, 1898
ID: ptc-5415
Barnum Brown with his discovery of the Centrosaurus, Red Deer River, Canada, 1912
ID: ptc-5414
Stegosaurus skeleton with painted background
ID: ptc-5413
Rare specimen of Sauropelta, showing preserved armor as in life
ID: ptc-5412
Oviraptor, "egg robber", found over nest of presumed protoceratops eggs, Western Gobi, Mongolia, from a hand-colored lantern slide
ID: ptc-5410
Dinosaur research collection temporarily laid out on floor, 1930s
ID: ptc-5409
Visitors, Howe Quarry excavation site, Jurassic Morrison formation, Wyoming, 1934
ID: ptc-5408
Barnum Brown examining outcrop during collecting foray, from hand-colored lantern slide, ca. 1930's
ID: ptc-5407
Apatasaurus, first large dinosaur mounted for exhibition
ID: ptc-5401
Nest of oviraptor eggs, Mongolia, found during Third Asiatic Expedition, 1925
ID: ptc-5396
Expedition motor caravan atop dinosaur beds of Shabarakh Usu, Mongolia, Central Asiatic Expedition
ID: ptc-5394
Connie [condor] sitting on bluff, Mongolia, Central Asiatic Expedition
ID: ptc-5389
Deepest portion of the Baron Sog strata on the red beds of Urtyn Obo, Mongolia, Central Asiatic Expedition
ID: ptc-5386
Rich fossil beds where 10-million year old dinosaur eggs and bones were found, Mongolia, Central Asiatic Expedition
ID: ptc-5385
Towing Fulton truck across a sand stream, Mongolia, Central Asiatic Expedition
ID: ptc-5382
Camp with lava-capped Red Mesa in background, Mongolia, Central Asiatic Expedition
ID: ptc-5381
[Probably] Roy Chapman Andrews and seated camel with Mongol guide, Central Asiatic Expedition
ID: ptc-5379
Camp and camel boxes, Urtyn Obo, Mongolia, Central Asiatic Expedition
ID: ptc-5378
Sunset view, wild donkey camp, Central Asiatic Expedition
ID: ptc-5376
Camel caravan traveling across the Gobi Desert, Mongolia, Central Asiatic Expedition
ID: ptc-5374
Fossil ammonite, iridescent
ID: ptc-5370
Ammonite, fossil
ID: ptc-5356
Fossil fish, Brazil
ID: ptc-5332
Dinosaur Hall exhibit, circa 1993
ID: ptc-5331
Adaptations of the Dinosaurs, Hall of Early Dinosaurs, circa 1993
ID: ptc-5330
The Karroo Series, Hall of Early Dinosaurs, circa 1993
ID: ptc-5328
The First Dinosaurs, Triassic Period, Hall of Early Dinosaurs, circa 1993
ID: ptc-5327
Jurassic Dinosaurs exhibit
ID: ptc-5326
Ornitholestes hermanni, Hall of Early Dinosaurs, circa 1993
ID: ptc-5325
The First Reptiles, Hall of Early Dinosaurs, circa 1993
ID: ptc-5324
The Pelycosaur Reptiles: Permian Period, Hall of Early Dinosaurs, circa 1993
ID: ptc-5323
Jurassic Life, label, Hall of Early Dinosaurs
ID: ptc-5322
The First Reptiles and Early Land Dwellers, Hall of Early Dinosaurs, circa 1993
ID: ptc-5321
Early Ruling Reptiles: The Fort Lee Phytosaur exhibit in old Dinosaur Hall
ID: ptc-5320
The First Crocodiles, Hall of Early Dinosaurs, circa 1993
ID: ptc-5319
Plateosaurus skeleton, Hall of Early Dinosaurs, circa 1993
ID: ptc-5317
Pelvis and vertebrae of Apatosaurus, Hall of Early Dinosaurs, circa 1993
ID: ptc-5316
Camptosaurus nanus, Hall of Early Dinosaurs, circa 1993
ID: ptc-5315
The Mammal-like Reptiles of South Africa, Hall of Early Dinosaurs
ID: ptc-5314
Large fossil from Ghost Ranch, New Mexico, on exhibit in old Dinosaur Hall
ID: ptc-5313
Family Tree of the Dinosaurs, Hall of Early Dinosaurs, circa 1993
ID: ptc-5312
Early Land Dwellers, Hall of Early Dinosaurs, circa 1993
ID: ptc-5311
Protorosaurs and pseudosuchians, Hall of Early Dinosaurs, circa 1993
ID: ptc-5310
Phytosaurs exhibit, giant crocodilian skull in view, Brontosaur Hall, circa 1993
ID: ptc-5309
Dimetrodon, from Early Ruling Reptiles, Brontosaurus Hall, circa 1993
ID: ptc-5308
Phytosaurs exhibit, giant crocodilian skull in view, Dinosaur Hall
ID: ptc-5307
Edaphosaurus, Hall of Early Dinosaurs, circa 1993
ID: ptc-5270
Ursus spelaeus, European cave bear, Fossil Mammal Hall
ID: ptc-5222
Anatosaurus, Cretaceous Hall [circa 1980-1992]
ID: ptc-5221
Mammuthus jeffersonii, Jefferson mammoth, [Hall of Late Mammals, circa 1965-1990]
ID: ptc-5187
Jefferson Mammoth, Paul and Irma Milstein Hall of Advanced Mammals, 1994
ID: ptc-5178
Cladistic line-up of mammals, including the body outline and skull of the extinct Asian rhinoceros Indricotherium, Hall of Primitive Mammals [circa 1994]
ID: ptc-5177
Jefferson mammoth, head-on view, Paul and Irma Milstein Hall of Advanced Mammals, 1994
ID: ptc-4948
Rancho La Brea Tar Pit by Charles R. Knight