Chordates - Vertebrata - Sarcopterygii - Tetrapods - Reptilia - Archosauromorpha - Pterosauria and Ornithschia

Beyond the Dinosaurs: Monsters of the Air and Sea by Charlotte Lewis Brown and Phil Wilson
Dactyls! Dragons of the Air by Robert T. Bakker and Luis V. Rey
Pterosaurs by Elaine Landau

The Simon and Schuster Encyclopedia of Dinosaurs & Prehistoric Creatures by Cox, Savage, Gardiner, Harrison, and Palmer

Dinosaurs: a visual encyclopedia by DK Publishing

Amazing Dinosaurs by Dougal Dixon
Ultimate Dinopedia by Don Lessem and Franco Tempesta

Vocabulary Added:
pterosaura: wing-lizard
dinosauria: terror-lizard
ornithischia: bird-hip 

Activity:
Draw and label a pterosaur and ornithischian
Add pterosaurs, dinosaurs, and ornithiscians to Animal Kingdom tree