Definition of Palaeodictyoptera
: 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
palaeodictyopteranadjective or noun
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Origin and Etymology of palaeodictyoptera
New Latin, from pale- + dicty- + -ptera
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