Eurypterus remipes Silurian Lan Quarry, Herkimer, New York Due to the presence of a scorpion-like...
Eurypterus remipes Silurian Lan Quarry, Herkimer, New York The official state fossil of New York...
Archaeoperyon peruvianus Miocene Santa Cruz Formation Argentina A pair of fossil crabs in original...
Olenellus gilberti Lower Cambrian Nevada Living during the biological onslaught known as the...
Asaphus kotlukovi St. Petersburg, Russia The Wolchow River streams near St. Petersburg produce some...
Arctinurus boltoni Middle Silurian Rochester Shale Formation, Middleport, New York Arctinurus is the...
Symphisurina asaphus Ordovician Morocco Trilobite fossils garner attention from collectors around...
Keichousaurus hui Triassic Central Asia Keichousaurus was an early reptile that lived approximately...
Ichthyosaurus Jurassic Holzmaden, Germany A marine reptile, the ichthyosaur is believed to have...
Letoverpeton austriacum Permian Czech Republic Letoverpeton lived before the dinosaurs in the Early...
Captorhinus magnus Permian Admiral Formation, Oklahoma Captorhinus magnus, a rare prehistoric...
Stylemys sp. Oligocene White River Formation, South Dakota Many specimens of this first fossil genus...
Stylemys sp. Oligocene White River Formation, South Dakota The first fossil genus of dry land...
Stylemys sp. Oligocene South Dakota Stylemys was the first fossil tortoise belonging to the order...
Seirocrinus subangularis, Dactylioceras commune Jurassic Posidonienschiefer Formation, Holzmaden...
Seirocrinus subangularis Lower Jurassic Posidonienschiefer Formation, Holzmaden, Germany The...
Madagascar Classical in form and prodigious in size, this marvelous ammonite specimen has been...
Placenticeras costatum Upper Cretaceous Bearpaw Formation, Southern Alberta, Canada Prized by...
Placenticeras meeki Upper Cretaceous Bear Paw Formation, Southern Alberta, Canada One of the largest...
Indeterminate species Free standing limestone plate or irregular outline with 6 fossil starfish...
Indeterminate Species Miocene Hampton Butte, Oregon This beautiful complete slice of rainbow-colored...
Alethopteris, Neuropteris, Pecopteris, Sphenophyllum Pennsylvanian Llewellyn Formation, St. Claire...
Woodworthia sp. Triassic Holbrook, Arizona A well-preserved specimen of a very rare variety of...
Lepidodendron Carboniferous Period Coal Mine, Letcher County, Kentucky Certainly one of the largest...
Lepidodendron Carboniferous Period, Pennsylvanian Coal Mine, Letcher County, Kentucky The dense...
Sabalites sp. Eocene Green River Formation, Wyoming A rare species for its geologic formation, this...
Mene rhombea Eocene Monte Bolca Verona, Italy Representing an assemblage of the earliest known coral...
Carcharodon megalodon Miocene South Carolina Though Carcharodon megalodon was the largest shark that...
Heliobatis radians, Mioplosus labracoides, Knightia eocaena Eocene Green River Formation, Wyoming An...
Mioplosus labracoides, Diplomystus dentatus, Knightia eocaena Eocene Green River Formation, Wyoming...
Xiphactinus audax Cretaceous Niobrara Formation, Western Kansas While dinosaurs roamed the land...
Merycoidodon sp. Oligocene White River Formation, South Dakota Oreodonts were a diverse group of...
Leptauchenia, Palaeolagus Oligocene White River Formation, South Dakota The Leptauchenia genus was a...
Merycoidodon culbertsoni Oligocene Brule Formation, White River Formation, South Dakota This strange...
Mesohippus bairdi Oligocene White River Formation, South Dakota Mesohippus, a diminutive species...
Hyaenodon mustelinus Oligocene Sioux County, Nebraska From an old collection, this...
Hyaenodon horridus Oligocene Crawford, Nebraska Hyaenodon horridus was the largest North American...
Ursus spelaeus Pleistocene Carpathian Mountains, Romania Discovered in the Carpathian Mountains...
Equus Lenaicus Pleistocene Rhine River, Germany A very unusual horse skull - approximately 45,000...
Dorudon atrox Late Eocene Western Sahara, disputed territory between Morocco and Mauritania 43 to 33...
Ovis canadensis Pleistocene Livengood, Alaska During the Pleistocene, approximately 750,000 years...
Mammuthus primigenius Pleistocene Indi-girka Basin, Siberia This large specimen of Woolly Mammoth...
Mammuthus primigenius Pleistocene Peace River, Florida The largest mammal of the Pleistocene, the...
Megalonyx jeffersonii Late Pleistocene Marion County, Florida Undoubtedly one of the finest examples...
Ursus americanus Pleistocene Minnesota Ursus americanus was larger than modern black bears, growing...
Hexaprotodon sivalensis Pliocene Southeast Asia Two million years ago, at the beginning of the Upper...
Machairodus giganteus Late Miocene Central Asia Machairodus giganteus was the largest saber-toothed...
Machairodus giganteus Late Miocene Asia One of the largest saber-toothed cat skulls ever discovered...
Coelodonta antiquitatis Pleistocene Tobolsk, Siberia, Russia Native to the northern steppes of...
Tarbosaurus bataar Late Cretaceous Central Asia Tarbosaurus bataar, a large bipedal predator, was...
Late Cretaceous Hell Creek Formation, South Dakota An excellent set of teeth from the most...
Torvosaurus tanneri Late Jurassic Morrison Formation, Buckshot Quarry, Moffat County, Colorado The...
Tyrannosaurus rex Late Cretaceous Hell Creek Formation, Garfield County, Montana Tyrannosaurus rex...
Spinosaurus aegyptiacus Cretaceous Kem Kem Beds, Morocco Spinosaurus (meaning spine lizard) featured...
Spinosaurus Cretaceous Kem Kem Beds near Taouz, Morocco The only partial skeleton ever found of...
Edmontosaurus sp. Late Cretaceous Niobrara County, Wyoming This huge mandible (lower jaw) of a...
Maiasaura Late Cretaceous Hell Creek Formation, Montana Maiasaura, meaning caring mother lizard in...
Edmontosaurus annectens Late Cretaceous Hell Creek Formation, Buffalo, South Dakota This complete...
Khaan mckennai Late Cretaceous - 76 to 80 Million Years Old Djadochta Formation Flaming Cliffs...
Indeterminate species Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield, Kern...
Unknown sp. Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield, Kern County...
Desmostylus hesperus Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Desmostylus hesperus Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Desmostylus hesperus Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Desmostylus hesperus Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Desmostylus hesperus Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Desmostylus hesperus Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Desmostylus hesperus Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Desmostylus hesperus Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Desmostylus hesperus Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Carcharocles megalodon Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Carcharocles megalodon Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Various sp. Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield, Kern County...
Carcharocles megalodon Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Carcharocles megalodon Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Carcharocles megalodon Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Carcharocles megalodon Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Carcharocles megalodon Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield...
Carcharias taurus (Sand Tiger), Negaprion eurybathrodon (Lemon Shark), Carcharhinus sp. (Reef Shark...
Isurus hastalis Middle Miocene Round Mountain Silt, Shark Tooth Hill Bone Bed, Bakersfield, Kern...
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