Palaeodictyoptera Temporal range: Upper Carboniferous to end Permian, 318–251 mya
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Order: | †Palaeodictyoptera Goldenberg, 1877
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The Palaeodictyoptera were large flying insects which are now extinct. They were common in the Upper Carboniferous, and became extinct at the end-Permian extinction. Their size varied from large to huge. For example, Mazothairos had a wingspan of about 55 centimetres (22 in).[1]