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Definition of Pelycosaur
1. Noun. Large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America.
Definition of Pelycosaur
1. [n -S]
Lexicographical Neighbors of Pelycosaur
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1. Noun. Large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America.
1. [n -S]