Reference

Günther Bechly, Kyoichiro Ueda (2002): The first fossil record and first New World record for the dragonfly clade Chlorogomphida (Insecta: Odonata: Anisoptera: Araripechlorogomphidae n. fam.) from the Crato Limestone (Lower Cretaceous, Brazil) – Stuttgarter Beiträge Naturkunde Serie B [Paläontologie] – 328_B: 1 - 11.