Pterodactyloidea Pterodactyloidea Pterodactyloidea (derived from the Greek words "πτερόν" ("pterón", for usual "ptéryx") "wing", and "δάκτυλος" ("dáctylos") "finger" meaning "winged finger", "wing-finger" or "finger-wing") is one of the two traditional suborders of pterosaurs ("wing lizards"), and contains the most derived members of this group of flying reptiles. They appeared during the middle Jurassic Period, and differ from the basal (though paraphyletic) rhamphorhynchoids by their short tails and long wing metacarpals (hand bones). The most advanced forms also lack teeth, and by the late Cretaceous, all known pterodactyloids were toothless. Many species had well developed crests on the skull, a form of
The Reptile Room a short, chubby man with a round, red face. The children immediately like him. He lets them each choose their own bedroom and informs them that they are going to accompany him on a trip to Peru to study snakes. The children are fascinated by the many snakes in the "Reptile Room", a giant hall in which Monty's reptile collection is stored. They meet the Incredibly Deadly Viper, which Uncle Monty recently discovered, whose name is actually a misnomer (the snake is not deadly and friendly). The three children are each given jobs in the Reptile Room: Violet is given