Andhrasaurus: Profile of a Prehistoric Giant Andhrasaurus Andhrasaurus (AN-drah-SAWR-us; “Lizard from Andhra Pradesh”) is a genus of dinosaur known from very limited fossil remains discovered in India. It lived during the Late Cretaceous period, approximately 70 to 66 million years ago. When first described in 1989, scientists thought Andhrasaurus might be a type of armored […]
Angaturama: Profile of a Prehistoric Giant Angaturama Angaturama (/an-GAH-too-RAH-mah/; “Noble Spirit”) is a genus of spinosaurid theropod dinosaur that lived during the Early Cretaceous period, approximately 112 million years ago, in what is now Brazil. The name Angaturama comes from a protective spirit in the culture of the Tupi people native to Brazil. Fossils of
Angloposeidon: Profile of a Prehistoric Giant Angloposeidon Angloposeidon (ANG-loh-poh-SYE-dun; “English earthquake god”) is an informal name given to a genus of potentially enormous sauropod dinosaur that lived during the Early Cretaceous period, about 130 to 125 million years ago, in what is now England. The remains of this dinosaur consist of a single, very large
Angolatitan: Profile of a Prehistoric Giant Angolatitan Introduction Angolatitan (an-GO-luh-TIE-tan; “Angolan giant”) is a genus of somphospondylan sauropod dinosaur that lived during the Late Cretaceous period, approximately 90 million years ago (Turonian stage). Its fossils were discovered in what is now Angola, Africa. The name Angolatitan combines “Angola,” its country of origin, with “titan,” referring
Angulomastacator: Profile of a Prehistoric Giant Angulomastacator Angulomastacator (ANG-gyoo-loh-mass-tuh-KAY-tor; “Bent Chewer” or “Angle Chewer”) is a genus of hadrosaurid, or duck-billed, dinosaur that lived during the Late Cretaceous period, about 76.9 million years ago. Its fossils were discovered in the Aguja Formation in Big Bend National Park, Texas, in the United States. The name Angulomastacator
Aniksosaurus: Profile of a Cretaceous Carnivore Aniksosaurus Aniksosaurus (ah-NICK-so-SAWR-us; “Spring lizard”) is a genus of coelurosaurian theropod dinosaur that lived during the Late Cretaceous period, about 96 to 91 million years ago, in what is now Patagonia, Argentina. The name “Aniksosaurus” means “spring lizard,” derived from the Greek word “anixi” (spring), as the first fossils
Animantarx: Profile of a Prehistoric Armored Dinosaur Animantarx Animantarx (ANN-ih-man-tarks; “living fortress”) is a genus of nodosaurid ankylosaurian dinosaur that lived during the Late Cretaceous period, specifically the Cenomanian stage, about 100 to 94 million years ago. Its fossils were discovered in what is now Utah, specifically in the Cedar Mountain Formation of North America.
Ankylosaurus: Profile of a Prehistoric Giant Ankylosaurus Ankylosaurus (an-KIE-low-SORE-us; “Fused Lizard”) is a genus of ankylosaurid dinosaur that roamed western North America during the very end of the Late Cretaceous period, about 68 to 66 million years ago. Its name, Ankylosaurus, means “fused lizard,” which points to the many bones in its skull and other
Anodontosaurus: Profile of a Prehistoric Giant Anodontosaurus Overview Anodontosaurus (AN-oh-DONT-oh-SAWR-us; “toothless lizard”) is a genus of armored dinosaur belonging to the ankylosaurid family. It roamed what is now Alberta, Canada, during the Late Cretaceous period, approximately 72.8 to 66 million years ago, making it one of the later non-avian dinosaurs. The name “toothless lizard” arose
Anoplosaurus: Profile of a Prehistoric Giant Anoplosaurus Anoplosaurus (ANN-oh-plo-SAWR-us; “Unarmored Lizard”) is a genus of nodosaurid ankylosaurian dinosaur that lived during the mid-Cretaceous period, specifically the Albian and early Cenomanian stages (approximately 113 to 100 million years ago). Its fossils were discovered in what is now England, United Kingdom. The dinosaur was first named and
