Antetonitrus: Profile of a Prehistoric Giant Antetonitrus Antetonitrus (AN-teh-toh-NYE-trus; “before thunder”) is a genus of early sauropod dinosaur that lived during the Late Triassic period, around 210 to 200 million years ago. Its fossils were discovered in what is now South Africa. The name Antetonitrus means “before thunder,” referencing the famous sauropod Brontosaurus (“thunder lizard”) […]
Anzu: Profile of a Crested Oviraptorosaurian Anzu Anzu (AN-zoo; “Anzû,” a feathered demon in Mesopotamian mythology) is a genus of large oviraptorosaurian dinosaur that lived during the Late Cretaceous period, about 66 million years ago, in what is now North America. Fossils of Anzu have been found in the Hell Creek Formation in North and
“`html Aoniraptor: Profile of a Prehistoric Giant Aoniraptor Aoniraptor (ah-OH-nee-RAP-tor; “Aonikenk plunderer”) is a genus of megaraptoran theropod dinosaur that lived during the Late Cretaceous period (late Cenomanian to early Turonian stages, approximately 95 to 93 million years ago). Its fossils were discovered in what is now Patagonia, Argentina, specifically in the RÃo Negro Province.
Aorun: The Small ‘Dragon King’ of the Late Jurassic Aorun Aorun (AY-oh-run; “Dragon King of the West”) is a genus of small coelurosaurian theropod dinosaur that lived during the Late Jurassic period, about 161.6 million years ago. Fossils of Aorun were discovered in the Shishugou Formation in Xinjiang, China. The name “Aorun” comes from Mandarin
“`html Apatosaurus – Dinosaur Encyclopedia Apatosaurus Apatosaurus (ah-PAT-uh-SAWR-us; “Deceptive Lizard”) Apatosaurus is a genus of giant herbivorous sauropod dinosaur that lived during the Late Jurassic period, about 152 to 151 million years ago, in what is now North America. Its name comes from the Greek words “apatelos” (deceptive) and “sauros” (lizard), given by paleontologist Othniel
Appalachiosaurus: Profile of a Prehistoric Giant Appalachiosaurus Appalachiosaurus (AP-uh-LATCH-ee-oh-SAWR-us; “Appalachian lizard”) is a genus of tyrannosauroid theropod dinosaur that lived during the Late Cretaceous period, about 77 million years ago. Its fossils were discovered in what is now Alabama, in the eastern part of North America. The name refers to the ancient Appalachian mountain region
“`html Aquilops: Profile of the Eagle-Faced Dinosaur Aquilops Aquilops (uh-KWIL-ops; “eagle face”) is a genus of early neoceratopsian dinosaur that lived during the Early Cretaceous period, approximately 108 to 104 million years ago (Albian stage). Its fossils were discovered in Montana, USA, in North America. The name Aquilops refers to the distinctive shape of its
Aragosaurus: Profile of a Prehistoric Giant Aragosaurus Aragosaurus (ah-RAG-oh-SAWR-us; “Aragon lizard”) is a genus of sauropod dinosaur that lived during the Early Cretaceous period, about 130 to 125 million years ago. Its fossils were first discovered in the Aragon region of Spain, giving it its name. Aragosaurus was scientifically described in 1987 by a team
“`html Aralosaurus Aralosaurus (AH-rah-loh-SAWR-us; “Aral Lizard” or “Lizard from the Aral Sea”) Aralosaurus is a genus of herbivorous hadrosaurid dinosaur that lived during the Late Cretaceous period, approximately 86 to 84 million years ago (during the Santonian stage), in what is now Kazakhstan. Its name, meaning “Aral lizard,” refers to the Aral Sea region, near
Archaeoceratops: Profile of a Prehistoric Giant Archaeoceratops Archaeoceratops (AR-kee-oh-SEH-rah-tops; “Ancient horned face”) is a genus of small, early neoceratopsian dinosaur that lived during the Early Cretaceous period, approximately 125 to 122 million years ago. Its fossils have been discovered in the Mazongshan area of Gansu Province, north-central China. The name Archaeoceratops, meaning “ancient horned face,”
