plural noun
Dei·no·ce·pha·lia | \ˌdīnōsə̇ˈfālyə\

Definition of Deinocephalia 

: a suborder of Therapsida comprising reptiles known from Permian fossils of southern Africa and Russia that had massive skulls and heavy legs and included the largest of the reptiles foreshadowing mammals, some exceeding the modern rhinoceros in size

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Other Words from Deinocephalia

deinocephalian \¦⸗⸗⸗¦fālyən \ adjective or noun

History and Etymology for Deinocephalia

New Latin, from din- + cephal- + -ia

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