Thelodontidae

plural noun

Thel·​o·​don·​ti·​dae

ˌtheləˈdäntəˌdē

: a family of Devonian and Silurian ostracoderms that is included among the Heterostraci or isolated in the order Coelolepida

Word History

Etymology

New Latin, from Thelodont-, Thelodus, type genus + -idae

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