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Peltosaurus
''Peltosaurus'' is an extinct genus of anguid lizard from North America that lived from the Eocene to the Oligocene. ''Peltosaurus'' belongs to the anguid subfamily Glyptosaurinae. The type species ''Peltosaurus granulosus'' was named in 1873 by American paleontologist Edward Drinker Cope. Many additional species have been named, but most have been reassigned to different genera. For example, ''Peltosaurus piger'', named in 1928, was reclassified as ''Odaxosaurus piger'', and ''P. jepseni'', named in 1942 from the Paleocene of Wyoming, but was later reclassified as ''Proxestops jepseni''. In 1955 a new species, ''Peltosaurus macrodon'', was named from the Eocene of California. Lizard bones from the Late Miocene of Nebraska were attributed to a new species of ''Peltosaurus'' called ''P. minimus'' in 1976, extending the fossil range of ''Peltosaurus'' and Glyptosaurinae into the Neogene. However, these bones were later referred to a genus of skinks called ''Eumeces'', meaning that the fossil range of ''Peltosaurus'' and Glyptosaurinae does not go beyond the Paleogene.
The name ''Peltosaurus'' was going to be used for the dinosaur now named ''Sauropelta'', but when it was realized that the name was preoccupied, ''Sauropelta'' was substituted.〔Worth, Graeme. (''Peltosaurus'' ). The Dinosaur Encyclopaedia. Accessed 2012-12-07.〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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