A new, extraordinary palaeontinid Hallakkungis amisanus  Nam, Wang & Szwedo, gen. et sp. nov., from the Upper Triassic of  the Amisan Formation in Boryeong City, Korea is described. It is the  first Palaeontinidae from Korea. The newly described taxon displays a  mosaic of characters present in presumed ancestors of this insect family  and some highly advanced features.