plural noun

: an order of very primitive extinct insects known only from the Upper Carboniferous and Permian periods and characterized by homonomous segmentation of the thorax and abdomen and by a simple wing venation with a network of cross veins
adjective or noun

Word History


New Latin, from pale- + dicty- + -ptera

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Dictionary Entries Near Palaeodictyoptera

Cite this Entry

“Palaeodictyoptera.” Dictionary, Merriam-Webster, Accessed 21 May. 2024.

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