Comanchean
adjectiveDefinition of Comanchean
(Entry 1 of 2)
1 : of or relating to a period of the Mesozoic between the Jurassic and the Upper Cretaceous during which the great expansion of reptiles was the most striking feature of animal life and the appearance and spread of angiosperms the most notable fact connected with plant life
2 : of, or relating to the system of rocks deposited during the Comanchean period Comanchean fossils
Comanchean
nounDefinition of Comanchean (Entry 2 of 2)
: the Comanchean period or system
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