Wikipedia
Baissoferidae
Baisserferidae was an extinct family in the order Trichoptera (caddis flies). It's fossils dates ranged from 161 to 112 million years old. It was lacustrine and terrestrial and was found in the Jurassic range of Russia and the Cretaceous range of Mongolia and Russia. It is recognized from other caddis flies with its fore wings in a distinct "M" pattern. It was part of the extinct suborder Phryganeina.