Browse Items (15 total) Tags: Mesozoic Browse All Browse by Tag Search Items of 2 Next Page Sort by: Title Creator Date Added Dinosaur (Arkansaurus fridayi) Cast of Arkansaurus fridayi right hind leg. Tags: Animals, Arkansas, Cretaceous, Dinosaurs, Fossils, Geology, Mesozoic, North America, Paleontology, Reptiles, United States Dinosaur Cast and mold of Arkansaurus fridayi. Tags: Animals, Arkansas, Cretaceous, Dinosaurs, Fossils, Geology, Mesozoic, North America, Paleontology, Reptiles, United States Turtle Fossilized carapace fragment of a turtle. Tags: Animals, Arkansas, Cretaceous, Fossils, Geology, Mesozoic, North America, Paleontology, Reptiles, United States Dinosaur, Ankylosauria Fossilized rib fragment, believed to belong to a member of ankylosauria. Tags: Animals, Arkansas, Dinosaurs, Fossils, Geology, Mesozoic, North America, Paleontology, United States Dinosauria A flat fragment of skull bone. Tags: Animals, Arkansas, Dinosaurs, Fossils, Geology, Mesozoic, North America, Paleontology, United States Dinosauria A flat fragment of skull bone. Tags: Animals, Arkansas, Dinosaurs, Fossils, Geology, Mesozoic, North America, Paleontology, United States Dinosaur Cast containing the 4th metatarsal of the right hind foot. Tags: Animals, Arkansas, Cretaceous, Fossils, Geology, Mesozoic, North America, Paleontology, Reptiles, United States Dinosaur Includes the 3rd metatarsal of the right hind foot. Tags: Animals, Arkansas, Cretaceous, Fossils, Geology, Mesozoic, North America, Paleontology, Reptiles, United States Dinosaur A cast containing the 2nd metatarsal of the right hind foot. Tags: Animals, Arkansas, Cretaceous, Fossils, Geology, Mesozoic, North America, Paleontology, Reptiles, United States Dinosaur Includes the 1st phalanx of 2nd metatarsal of right hind foot. Tags: Animals, Arkansas, Cretaceous, Fossils, Geology, Mesozoic, North America, Paleontology, Reptiles, United States of 2 Next Page Featured Item Dinosaur (Arkansaurus fridayi) Cast of Arkansaurus fridayi right hind leg.