Eotriceratops: Profile of a Prehistoric Giant Eotriceratops Eotriceratops (EE-oh-try-SER-ah-tops; “Dawn three-horned face”) is a genus of large chasmosaurine ceratopsid dinosaur that lived during the Late Cretaceous period, specifically the late Maastrichtian stage, approximately 68 million years ago. Its fossils were discovered in the Horseshoe Canyon Formation in Alberta, Canada. The name, meaning “dawn three-horned face,” […]
Eotyrannus: Profile of a Prehistoric Giant Eotyrannus Eotyrannus (EE-oh-tie-RAN-us; “Dawn Tyrant”) is a genus of early tyrannosauroid theropod dinosaur that lived during the Early Cretaceous period, approximately 130 million years ago. Its fossils were discovered on the Isle of Wight, in England. The name “Eotyrannus” means “dawn tyrant,” reflecting its status as an early ancestor
Epachthosaurus Epachthosaurus (eh-PACK-thoh-SAWR-us; “Heavy lizard”) is a genus of titanosaurian sauropod dinosaur that lived during the Late Cretaceous period, approximately 95 to 89 million years ago. Its fossils were discovered in what is now Patagonia, Argentina, in South America. The name Epachthosaurus, meaning “heavy lizard,” was coined by paleontologist Jaime Powell in 1990 based on
Epichirostenotes: Profile of a Prehistoric Oviraptorosaur Epichirostenotes (EH-pee-KYE-roh-STEN-oh-teez; “Following Narrow Hand”) is a genus of caenagnathid oviraptorosaur dinosaur that lived during the Late Cretaceous period, about 72 million years ago. Fossils of Epichirostenotes have been discovered in what is now Alberta, Canada. The name reflects its perceived similarity and relationship to another dinosaur called Chirostenotes
Epidendrosaurus: Profile of a Tiny, Tree-Dwelling Dinosaur Epidendrosaurus Epidendrosaurus (eh-pih-DEN-dro-SAWR-us; “lizard upon the tree”) Epidendrosaurus is a genus of small, bird-like theropod dinosaur that lived approximately 160 million years ago, during the Middle to Late Jurassic period. Its fossils were discovered in the Daohugou Beds of northeastern China. The name Epidendrosaurus means “lizard upon the
Epidexipteryx: Profile of a Feathered Jurassic Dinosaur Epidexipteryx Epidexipteryx (EP-ih-dex-IP-tuh-rix; “Display feather”) is a genus of small, feathered dinosaur that lived during the Middle to Late Jurassic period, about 160 to 152 million years ago. Its fossils were discovered in the Daohugou Beds of Inner Mongolia, China. Epidexipteryx is famous for its unusual appearance, especially
Equijubus Equijubus (ek-WEE-joo-bus; “horse mane”) is a genus of herbivorous hadrosauroid dinosaur that lived during the Early Cretaceous period, approximately 125 to 100 million years ago. Its fossils were discovered in the Mazong Shan region of Gansu Province, China. The name Equijubus comes from the Latin words “equus” (horse) and “juba” (mane or crest), referring
Erectopus Erectopus (eh-REK-toh-puss; “Upright foot”) Erectopus is a genus of theropod dinosaur that lived during the Early Cretaceous period, about 112 million years ago, in what is now France. The name “Erectopus” means “upright foot,” inspired by the way its foot bones were thought to be structured, suggesting a more upright posture. This dinosaur was
Erketu: Profile of a Prehistoric Giant Erketu Erketu (ER-keh-too; “Erketü”) is a genus of somphospondylan sauropod dinosaur that lived during the Early Cretaceous period, approximately 125 to 100 million years ago. Its fossils were discovered in the Gobi Desert of Mongolia. The name “Erketu” refers to Erketü Tengri, a creator god in Mongolian shamanism, and
Erliansaurus Erliansaurus (ERR-lee-an-SAWR-us; “Erlian lizard”) is a genus of therizinosaurid theropod dinosaur that lived during the Late Cretaceous period, approximately 96 to 92 million years ago. Its fossils were discovered in the Iren Dabasu Formation in Inner Mongolia, China. Erliansaurus was officially named and described by paleontologist Xu Xing and his colleagues in 2002. This
