![Dinosaur skeletons at entrance of Earth Science Museum of Brigham Young University. Provo, UT.](/t/USUT/UTP411.JPG) | ![Allosaurus fragilis of Late Jurassic era from Utah at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP413.JPG) | ![Camptosaurus herbivore at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP415.JPG) | ![Torvosaurus tanneri sauropod of Late Jurassic era found in Colorado at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP421.JPG) |
Dinosaur skeletons at entrance of Earth Science Museum of Brigham Young University. Provo, UT. | Allosaurus fragilis of Late Jurassic (148 million years ago) era from Utah at BYU Earth Science Museum. Provo, UT. | Camptosaurus herbivore at BYU Earth Science Museum. Provo, UT. | Torvosaurus tanneri sauropod of Late Jurassic (148 million years ago) era found in Colorado at BYU Earth Science Museum. Provo, UT. |
![Skull of Torvosaurus tanneri at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP422.JPG) | ![Cast of skull of Tyrannosaurus rex of Late Cretaceous era found in Montana at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP431.JPG) | ![Detail of teeth of Tyrannosaurus rex at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP432.JPG) | ![Skull of Prognathodon stadtmani giant marine reptile mosasaur of Late Cretaceous era found in Colorado at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP441.JPG) |
Skull of Torvosaurus tanneri at BYU Earth Science Museum. Provo, UT. | Cast of skull of Tyrannosaurus rex of Late Cretaceous (65 million years ago) era found in Montana at BYU Earth Science Museum. Provo, UT. | Detail of teeth of Tyrannosaurus rex at BYU Earth Science Museum. Provo, UT. | Skull of Prognathodon stadtmani giant marine reptile mosasaur of Late Cretaceous (82 million years ago) era found in Colorado at BYU Earth Science Museum. Provo, UT. |
![Monoclonius crassus horned dinosaur of Late Cretaceous era found in Montana at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP451.JPG) | ![Gastonia burgei armored dinosaur of Early Cretaceous era found in Utah at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP461.JPG) | ![Lower back armor plate of Gastonia burgei cast from University's original skeleton at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP462.JPG) | ![Giant crocodile of Late Cretaceous era found in Texas at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP471.JPG) |
Monoclonius crassus horned dinosaur of Late Cretaceous era found in Montana at BYU Earth Science Museum. Provo, UT. | Gastonia burgei armored dinosaur of Early Cretaceous (120 million years ago) era found in Utah at BYU Earth Science Museum. Provo, UT. | Lower back armor plate of Gastonia burgei cast from University's original skeleton at BYU Earth Science Museum. Provo, UT. | Giant crocodile (Deinosuchus hatcheri) of Late Cretaceous (75 million years ago) era found in Texas at BYU Earth Science Museum. Provo, UT. |
![Original bones of Edaphosaur herbivore with sail of Middle Permian era found in Texas at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP491.JPG) | ![Skull of Edaphosaur, a reptile which could chew its food, at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP492.JPG) | ![Original bones of Dimetrodon carnivore with sail of Middle Permian era found in Texas at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP495.JPG) | ![Skull of Dimetrodon at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP496.JPG) |
Original bones of Edaphosaur herbivore with sail of Middle Permian era found in Texas at BYU Earth Science Museum. Provo, UT. | Skull of Edaphosaur, a reptile which could chew its food, at BYU Earth Science Museum. Provo, UT. | Original bones of Dimetrodon carnivore with sail of Middle Permian era found in Texas at BYU Earth Science Museum. Provo, UT. | Skull of Dimetrodon at BYU Earth Science Museum. Provo, UT. |
![Giant Ground Sloth from Pleistocene era found in Central & South America at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP501.JPG) | ![Skull of Giant Ground Sloth at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP502.JPG) | ![Brontotherium, primitive mammal related to horses & rhinoceros of Tertiary at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP511.JPG) | ![Split nose bones of Brontotherium related to horses & rhinoceros at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP512.JPG) |
Giant Ground Sloth (Megatherium americanum) from Pleistocene (30,000 years ago) era found in Central & South America at BYU Earth Science Museum. Provo, UT. | Skull of Giant Ground Sloth at BYU Earth Science Museum. Provo, UT. | Brontotherium, primitive mammal related to horses & rhinoceros of Tertiary (Oligocene) at BYU Earth Science Museum. Provo, UT. | Split nose bones of Brontotherium related to horses & rhinoceros at BYU Earth Science Museum. Provo, UT. |
![Trilobite from Utah at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP541.JPG) | ![Trilobites & of Cambrian era from Utah at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP545.JPG) | ![Collection of Mesozoic cephalopods at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP551.JPG) | ![Mesozoic cephalopods at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP553.JPG) |
Trilobite (Olenoides inflatus) from Utah at BYU Earth Science Museum. Provo, UT. | Trilobites (Utaspis marjumensis) & (Kochina vestita) of Cambrian era from Utah at BYU Earth Science Museum. Provo, UT. | Collection of Mesozoic cephalopods at BYU Earth Science Museum. Provo, UT. | Mesozoic cephalopods at BYU Earth Science Museum. Provo, UT. |
![Ammonoid fossil, extinct relative of chambered nautilus, at BYU Earth Science Museum. Provo, UT.](/t/USUT/UTP555.JPG) |
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Ammonoid fossil, extinct relative of chambered nautilus, at BYU Earth Science Museum. Provo, UT. |
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