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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-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-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-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-5784
Praying mantis preserved in Dominican amber
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-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-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-5493
Tyrannosaurus rex
ID: ptc-5492
Allosaurus mount, Hall of Saurischian dinosaurs
ID: ptc-5491
Apatosaurus
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-5407
Apatasaurus, first large dinosaur mounted for exhibition
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-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-5312
Early Land Dwellers, Hall of Early Dinosaurs, circa 1993
ID: ptc-5311
Protorosaurs and pseudosuchians, Hall of Early Dinosaurs, 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]