What is "permosynidae"

Permosynidae is a family of Protocoleopteran beetle in the superfamily Permosynoidea. The family lived between the Late Permian and Late Jurassic and lived in Russia and Mongolia. Species that were discovered in 2014 are Artematopodites latissimus, Platycrossos latus, Platycrossos longus, Platycrossos loxonicus, Platycrossos mongolicus, Platycrossos ovum and Dzeregia platis. Species that were discovered in 2015 are Artematopodites lozowskii and Dinoharpalus latus.