Canadian Medical Guide > Organisms > Animals > Chordata > Vertebrates > Reptiles > Dinosaurs Terms and Definitions
Dinosaurs
Medical Definition: | General name for two extinct orders of reptiles from the Mesozoic era: Saurischia and Ornithischia. |
Previously Indexed: | Fossils (1975-2001),Reptiles (1966-2001) |
Dinosaurs Medical Definitions and Terms
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