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Entries Beginning With R-S
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Rahonavis
R. ostromi from the Late Cretaceous of Madagascar
Rapetosaurus
R. krausei a titanosaur from the Late Cretaceous of Madagascar
Rautiania alexandri
Rautiania alexandri, an Avicephala from the Late Permian of Russia
Remingtonocetus
A whale from the Eocene of India
Repenomamus
R. giganticus, a triconodont from the Early Cretaceous of China
Rhinesuchus whaitsi
R. whaitsi from the Late Permian of South Africa
Rhodocetus
R. kasrani a whale from the Eocene of Pakistan
Rhomaleosaurus
A pliosaur from the Early Jurassic of Europe
Riojasuchus tenuiceps
From the Late Triassic of Argentina
Rugops primus
Rugops primus
Rutiodon
A phytosaur from the Late Triassic of North America
Saltoposuchus connectens
S. connectens from the Upper Triassic of Germany
Scutellosaurus
S. lawleri from the Early Jurassic of North America
Scutosaurus karpinskii
From the Late Permian of Russia
Secodontosaurus obtusidens
A pelycosaur from the Early Permian of North America
Segisaurus halli
S. halli from the Early Jurassic of Arizona
Sellosaurus gracilis
S. gracilis from the Late Triassic of Europe
Seymouria baylorensis
Seymouria baylorensis from the lower Permian of North America
Sharovipteryx mirabilis
S. mirabilis from the Early Triassic of Kyrgyzstan
Shonisaurus popularis
S. popularis, an ichthyosaur from the Late Triassic of Nevada
Shuvosaurus
From the Late Triassic of Texas
Sichuanosuchus
From the Upper Jurassic of China
Silesaurus opolensis
S. opolensis from the Late Triassic of Poland
Simosthenurus
A sthenurin kangaroo from the Pleistocene of Australia
Simosuchus
S. clarki from the Upper Cretaceous of Madagascar
Sphenacodon
From the Early Permian in the North American region
Spinosaurus
S. aegyptiacus a spinosaurid from the Middle Cretaceous of Egypt
Squalodon
A toothed whale from the Miocene of North America
Stegosaurus
S. stenops a stegosaur from the Late Jurassic of North America
Stenopterygius
An ichthyosaur from the Lower Jurassic of Germany
Steropodon galmani
S. galmani, a monotreme from the Early Cretaceous of Australia
Stethacanthus zangerli
A primitive shark
Struthiomimus
From the Late Cretaceous of Alberta
Stylonurus excelsior
Stylonurus, an eurypterid from the Late Devonian of North America
Styracosaurus albertensis
A ceratopsian from the Late Cretaceous of North America
Styxosaurus
S. snowi a plesiosaur from the Late Cretaceous of North America
Suchomimus
A spinosaurid from the Middle Cretaceous of Niger
Syndyoceras
S. cooki from the Early Miocene of North America
Synthetoceras
S. tricornatus a protoceratid from the Late Miocene of Texas
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Introduction
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A
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B
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C
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D
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E
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F-G
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H
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I-J
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K-L
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M
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N-O
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P-Q
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R-S
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T
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U-Z
