Palaeontinidae年代:中侏羅紀早期 (Middle Jurassic , 164 mya~159 mya)產地:中國內蒙古赤峰道虎溝(Daohugou, Inner Mongolia, China)產地:中國遼寧北票市黃半吉溝 (Huangbanjigou, Beipiao of western Liaoning, China)腹壓板