Ptenodracon

Holotype specimen of Pterodactylus antiquus, BSP AS I 739. Original photograph by Steven U. Vidovic, David M. Martill in http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0110646 Modified by Matthew Martyniuk: Cropped, color adjusted. Top central portion of non-fossil-bearing slab digitally altered to remove portion of ruler.

Holotype specimen of Pterodactylus antiquus, BSP AS I 739. Original photograph by Steven U. Vidovic, David M. Martill in http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0110646 Modified by Matthew Martyniuk: Cropped, color adjusted. Top central portion of non-fossil-bearing slab digitally altered to remove portion of ruler.