Piatnitzkysaurus: quick facts
Found in Argentina, Piatnitzkysaurus is the earliestknown carnosaur. Related to Allosaurus, but smaller and moreprimitive, with longer arms, it lived 15 million years beforeits better-known relative.
Period
Late Jurassic
Diet
Carnivore
Length
14 feet (4.3 meters)
Family
Allosauridae
Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.