Palaeoptera

plural noun

Palae·​op·​tera

: a major division of Pterygota comprising winged insects that are unable to flex their wings over the abdomen and including the orders Odonata and Ephemeroptera

palaeopterous

¦⸗⸗¦⸗t(ə)rəs

adjective

Word History

Etymology

New Latin, from pale- + -ptera

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