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Large primitive reptile having a tall spinal sail
Answer for the clue "Large primitive reptile having a tall spinal sail ", 10 letters:
pelycosaur
Alternative clues for the word pelycosaur
Word definitions for pelycosaur in dictionaries
WordNet
Word definitions in WordNet
n. large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America
Wikipedia
Word definitions in Wikipedia
The pelycosaurs (from Greek πέλυξ pelyx "bowl" or "axe" and σαῦρος sauros "lizard") are an informal grouping (previously considered an order ) composed of basal or primitive Late Paleozoic synapsids , sometimes erroneously referred to as "mammal-like reptiles". ...
Usage examples of pelycosaur.
Dimetrodon was a carnivorous pelycosaur, probably ancestral to the therapsids.
I had no sooner spoken than I remembered the pelycosaur we had seen in the jungle.
Bodkin, Kerans' assistant at the station, had slyly prepared what purported to be an eyewitness description by one of Colonel Riggs' sergeants of a large sail-backed lizard with a gigantic dorsal fin which had been seen cruising across one of the lagoons, in all respects indistinguishable from the Pelycosaur, an early Pennsylvanian reptile.