Literature
Primal Planet: Maniraptora 1/3
Maniraptorans & Alvarezsauroids
Maniraptora, or the "hand snatchers", are the third and final family group of coelurosaurian theropod dinosaurs within the Maniraptoromorpha clade. This group consists of theropods ranging from the long-clawed therizinosaurs, the parrot-beaked oviraptorids, the one-clawed alvarezsaurids, the toe-clawed dromaeosaurids and troodontids, and the modern birds that still survive today. The Mainiraptorans have various characteristics that make each group unique from other individuals within the clade. However, the most distinct cluster of anatomical and behavioral traits that sets them apart from other theropod dinosaurs is the feathered plumage, long, grasping forelimbs, semi‑lunate wrist bone, large, grasping hands, elongated, flexible neck, lightweight, hollow bones, backward-pointing hips, large brain, and sensory organs. American paleontologist Jacques Gauthier originally named the Maniraptora in 1986 and defined it as a branch-based clade that contains