Two new species of archisargids (Insecta: Diptera: Archisargidae) from the Upper Jurassic Daohugou Formation (Inner Mongolia, Northeastern China)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith