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ID: ptc-639
Mammals of the Upper Pliocene Period, Restoration of a Scene in Northern Texas, painting by Charles R. Knight
ID: ptc-616
The Reindeer and Mammoth on the River Somme, France, restoration painting by Charles R. Knight, 1916
ID: ptc-6030
Relationship of Other Sizes of Sauropod Tracks by R.T. Bird
ID: ptc-6029
Artiodactyls, camel skeletons, Hall of Advanced Mammals
ID: ptc-6028
Barosaurus, detail of neck vertebrae in mount, Theodore Roosevelt Rotunda, American Museum of Natural History
ID: ptc-6021
Buettneria, early large amphibious tetrapod
ID: ptc-6019
Rhamphorhynchus, primitive pterosaur, 140 million years old, Europe
ID: ptc-6018
Madstoia, Boa family of snakes, 55 million years old
ID: ptc-6017
Estesia, primitive lizard related to living monitors, 72 million years old
ID: ptc-6016
Meiolania, 120,000 years old
ID: ptc-6015
Diadectes, 280 million years old
ID: ptc-6014
Mastodonosaurus restoration, 250 million years old
ID: ptc-6013
Dissorophus, relative of frogs with armadillo-like armor covering, 280 million years old
ID: ptc-6012
Large amphibious tetrapod related to living frogs and salamanders, approximately 280 million years old
ID: ptc-6011
Boomerang-shaped head of Diplocaulus, 275 million years old
ID: ptc-6010
Skeleton of Rhacolepis buccalis inside stomach of Notelops brama, approximately 110 million years old, Early Cretaceous of Brazil
ID: ptc-6006
Eurypholis boisseri, extinct teleost, L 11 cm, approximately 90 million years old, Late Cretaceous of Lebanon
ID: ptc-6005
Axelrodichthys araripensis, coelacanth, L 70 cm, approximately 110 million years ago, Early Cretaceous of NE Brazil
ID: ptc-6003
Dipterus valenciennesi, extinct lungfish, L 17 cm, approximately 380 million years old, Middle Devonian of Achanarras, Scotland
ID: ptc-6002
Sauripteris taylori, pectoral fin and shoulder girdle of extinct rhizodontid fish, Late Devonian of Blossburg, PA, approximately 375 million years old
ID: ptc-6001
Caturus velifer, caturid, L 57 cm, approximately 150 million years old, Late Jurassic of Solnhofen, Germany
ID: ptc-6000
Pholidophorus, primitive marine teleost, Late Triassic and Early Jurassic, 220-175 million years ago
ID: ptc-5999
Extinct pycnodont fish, L 30 cm, approximately 110 million years old, early Cretaceous of NE Brazil
ID: ptc-5998
Scyliorhinus elongatus, dogfish shark, L 23 cm, approximately 90 million years old, Middle Cretaceous of Lebanon
ID: ptc-5997
Perleidus madagascariensis, primitive extinct relative of neopterygian ray-finned fishes, approximately 225 million years old, Early Triassic of Madagascar
ID: ptc-5995
Palaeoniscum freislebeni, primitive ray-finned fish, L 19 cm, approximately 250 million years old, Late Permian of Saxony, Germany
ID: ptc-5976
Tharrhias araripis, extinct relative of milk-fish, approximately 110 million years old, Early Cretaceous of Brazil
ID: ptc-5974
Many Phlebolepis sp., thelodont, approximately 410 million years old, L 6 cm, Late Silurian of Oesel, Latvia
ID: ptc-5972
Carcharodon megalodon tooth, 5-23 million years old, Miocene of South Carolina
ID: ptc-5971
Araripichthys castilhoi, approximately 110 million years ago, Early Cretaceous of Brazil
ID: ptc-5970
Cheirolepis trailli, primitive ray-finned fish, approximately 380 million years old, L 25 cm, Middle Devonian of Nairnshire, Scotland
ID: ptc-5969
Leptolepides sprattiformis, primitive teleost, L 10 cm, Late Jurassic of Solnhofen, Germany
ID: ptc-5963
Fossil Fish, tinca tarsiger, Late Oligocene period
ID: ptc-5962
Mene rhombeus, carangid-like acanthomorph, approximately 57 million years old, L 20 cm, Early Eocene of Monte Bolca, Italy
ID: ptc-5961
Diplurus newarki, coelacanth, Late Triassic of Princeton, New Jersey, approximately 220 million years ago
ID: ptc-5960
Redfieldius gracilis, edfieldiid from the Late Triassic of Connecticut, approximately 210 million years old
ID: ptc-5959
Pachycormus esocinus, pachycormid teleost from the Early Jurassic of Holzmaden, Germany, approximately 200 million years old
ID: ptc-5958
Hypsidoris farsonensis, primitive catfish from the Eocene of Wyoming, United States, about 57 million years old
ID: ptc-5957
Dastilbe crandalli, freshwater teleost from the Early Cretaceous of Brazil, about 110 million years ago
ID: ptc-5932
Lungfish, Ceratodus rumcinatus, toothplates, each about 4 cm long, about 210 million years old, Late Triassic, Wurtemberg, Germany
ID: ptc-5931
Brannerion sp, Early Cretaceous, L 51 cm, approximately 110 million years old, Brazil
ID: ptc-5930
Eonaso deani, surgeonfish, L 29 cm
ID: ptc-5883
Eoholocentrum macrocephalum, extinct squirrelfish, L 15 cm, about 57 million years old, Eocene of Monte Bolca, Italy
ID: ptc-5882
Semionotus agassizii, Late Triassic semiontid of New Jersey, approximately 210 million years old
ID: ptc-5880
Apatosaurus, Hall of Saurischian Dinosaurs, 1996
ID: ptc-5879
Allosaurus and Tyrannosaurus rex, Hall of Saurischian Dinosaurs, 1996
ID: ptc-5877
Carcharodon jaws in Hall of Vertebrate Origins, under construction, 1996
ID: ptc-5876
Arthrodire, Dunkleosteus, Early Jurassic, Hall of Vertebrate Origins
ID: ptc-5875
Fossil, braincase and jaws (with metal restoration) of Xenacanth shark (Orthocanthus), 280-million-years-old, from Texas
ID: ptc-5871
Eastmanosteus calliaspis, an arthrodire, from the front, approximately 375 million years old, length of armor 19 cm, estimated body length 45 cm, Late Devonian, Western Australia
ID: ptc-5861
Dunkleosteus, Arthrodire, 360 million years old, Late Devonian of Ohio
ID: ptc-5860
Gemuendina stuertzi, rhenanid placoderm from the Early Devonian of Hunsruck, Budenbach, Germany (cast), about 400 million years old
ID: ptc-5859
Pterolepis nitidus, anaspid from the Late Silurian of Rigerike, Norway, about 410 million years old, L 8 cm
ID: ptc-5857
Symmorium reniforme, shark from the Late Carboniferous of Indiana (cast), about 310 million years old
ID: ptc-5856
Ischyodus avitus, chimaeroid (rabbitfish) from the Late Jurassic of Solnhofen, Germany
ID: ptc-5855
Eomyrophis latispinus, primitive eel from the Early Eocene of Monte Bolca, Italy, about 57 million years old, L 24 cm
ID: ptc-5854
Bobasatrania canadensis, Triassic of British Columbia, Canada, about 225 million years old, length of preserved part 67 cm, restoration in metal by Richard Weber
ID: ptc-5853
Protospinax annectans from the Late Jurassic of Solnhofen, Germany, 150 million years old
ID: ptc-5852
Heliobatis, female freshwater stingray from the Eocene of Wyoming [Green River formation]
ID: ptc-5850
Restoration of Acanthostega, model by Elliot Goldfinger
ID: ptc-5849
Acanthostega, a primitive aquatic tetrapod with limbs from the Late Devonian of Greeland, model by Elliot Goldfinger
ID: ptc-5846
Obaichthys, a primitive gar from the Early Cretaceous of Brazil, 110 million years old
ID: ptc-5845
Stethacanthus tumidus cast, spine and "brush" from the back of a shark, from the Early Carboniferous of Ohio, about 340 million years old
ID: ptc-5839
Cladoselache fyleri, a shark from the Late Devonian of Ohio, United States, about 375 million years old
ID: ptc-5834
Diplacanthus longispinus, an acanthodian [fish] from the Middle Devonian of Banffshire, Scotland, about 380 million years old, L 15 cm
ID: ptc-5833
Saurichthys megacephalus, a streamlined ray-finned fish from the Middle Triassic of Como, Italy (cast), about 225 million years old, L 57 cm
ID: ptc-5831
Priscacara oxyprion, from the Early Eocene of Wyoming, about 57 million years ago
ID: ptc-5830
Lepisosteus simplex, fossil gar from the Eocene of Wyoming, United States, about 57 million years old
ID: ptc-5829
Phareodus testis, about 57 million years old, L 34 cm, Early Eocene of Wyoming, United States
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-5817
Evolution of the horse, Hall of Advanced Mammals
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-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-5783
Skull, Pachycephalosaurus wyomingensis, Montana
ID: ptc-5756
Stegoceras validus, cast of skull and jaws, Red Deer River, Alberta, Canada
ID: ptc-5749
Evolution of the horse, Hall of Advanced Mammals, Lila Acheson Wallace Wing of Mammals and their Extinct Relatives, exhibit construction
ID: ptc-5748
Evolution of the Horse, Hall of Advanced Mammals, Lila Acheson Wallace Wing of Mammals and their Extinct Relatives, 1994