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“chasmosaurus”
Chasmosaurus
Meaning “wide-opening (cleft, space) lizard” from Late Cretaceous Alberta, Canada; and New Mexico. Named in 1914, this creature was previously known as Protosaurus. Named by Canadian fossil hunter Lawrence M. Lambe in 1914.
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sauro-, saur-, -saurus, -saurid, -saur,
-sauria, -saurian + (page 7)
-sauria, -saurian + (page 7)