Insecta - Hemiptera - Palaeontinidae
Synonym: Xucossus Hong 1983
Parent taxon: Palaeontinidae according to H. C. Zhang 1997
Sister taxa: Abrocossus, Archipsyche, Asiocossus, Baeocossus, Colossocossus, Cratocossus, Cyllonium, Daohugoucossus, Eocicada, Fletcheriana, Gansucossus, Hamicossus, Ijacossus, Ilerdocossus, Martynovocossus, Miracossus, Montsecocossus, Neimenggucossus, Ningchengia, Pachypsyche, Palaeocossus, Palaeontina, Palaeontinidae arcuatus, Palaeontinodes, Palaeontinopsis, Papilioncossus, Parawonnacottella, Phragmatoecicossus, Phragmatoecites, Prolystra, Quadraticossus, Shurabocossus, Suljuktaja, Suljuktocossus, Synapocossus, Valdicossus, Wonnacottella, Yanocossus, Cicadomorpha, Turgaiella
Subtaxa: Plachutella exculpta, Plachutella magica
Ecology: