Archaeoistiodactylus

Archaeoistiodactylus is an extinct genus of wukongopterid pterosaur from the Middle Jurassic of China.

==Discovery and naming== Archaeoistiodactylus is known from an incomplete skeleton with a partial skull and lower jaws. Catalogued as holotype specimen JPM04-0008, it was recovered from rocks of the Tiaojishan Formation in western Liaoning, China, which date to the Bathonian-Callovian stages of the Jurassic period. Apart from the skull, it preserves ribs, parts of the wings, hindlimbs and the pelvis. The neck, tail and feet of the specimen are lacking.