Janenschia Janenschia (YAH-nen-SHEE-ah; “Janensch’s reptile”) is a genus of sauropod dinosaur that lived during the Late Jurassic period, approximately 155 to 150 million years ago. Fossils of Janenschia have been discovered in the Tendaguru Formation in Tanzania, Africa. The name honors Werner Janensch, a German paleontologist who led expeditions to Tendaguru and described many important […]
Jaxartosaurus Jaxartosaurus (JAKS-ar-toh-SAWR-us; “Lizard from the Jaxartes River”) is a genus of hadrosaurid, or duck-billed dinosaur, that lived during the Late Cretaceous period, specifically during the Santonian to early Campanian stages, about 86 to 80 million years ago. Its fossils have been discovered in what is now Kazakhstan in Central Asia. The name Jaxartosaurus refers
Jeholornis: Profile of a Prehistoric Giant Jeholornis Jeholornis (JEE-hole-OR-nis; “Jehol bird”) is an extinct genus of early bird that lived approximately 120 million years ago during the Early Cretaceous period. Fossils of Jeholornis have been discovered in the fossil-rich Jehol Biota of Liaoning Province, China. This creature provides important clues about the early stages of
Jeholosaurus: Profile of a Small Cretaceous Ornithischian Jeholosaurus Jeholosaurus (jeh-HOH-loh-SAWR-us; “Jehol lizard”) is a genus of small ornithischian dinosaur that lived during the Early Cretaceous period, approximately 126 million years ago. Fossils of Jeholosaurus have been discovered in the Yixian Formation in Liaoning Province, China, an area famous for its exceptionally well-preserved fossils from the
Jeyawati: Profile of a Prehistoric Giant Jeyawati Jeyawati (JAY-uh-WAH-tee; “grinding mouth”) is a genus of hadrosauroid dinosaur that lived during the Late Cretaceous period, specifically the Turonian stage, about 91 million years ago. Its fossils were discovered in the Moreno Hill Formation in New Mexico, USA. The name Jeyawati comes from the Zuni language, referring
Jianchangosaurus: Profile of a Prehistoric Giant Jianchangosaurus Jianchangosaurus (JEE-ahn-chahng-oh-SAWR-us; “Jianchang lizard”) is a genus of therizinosaurian theropod dinosaur that lived during the Early Cretaceous period, approximately 126 million years ago. Its fossils were discovered in the Yixian Formation in Liaoning Province, China, an area famous for its exceptionally preserved feathered dinosaurs. Jianchangosaurus was named and
Jianchangsaurus Jianchangsaurus (jee-AHN-chahng-o-SAWR-us; “Jianchang lizard”) is a genus of therizinosaurid theropod dinosaur that lived during the Early Cretaceous period, approximately 125 million years ago. Its fossils were discovered in the Yixian Formation in Liaoning Province, China. The name “Jianchangsaurus” refers to Jianchang County, where the fossil was found. This dinosaur was first described by paleontologists
Jiangjunosaurus: Profile of a Prehistoric Giant Jiangjunosaurus Jiangjunosaurus (jee-ANG-joon-oh-SAWR-us; “Jiangjunmiao lizard”) is a genus of stegosaurid dinosaur that roamed the Earth during the Late Jurassic period, approximately 160 million years ago. Its fossils were discovered in the Shishugou Formation in Xinjiang, China. The name Jiangjunosaurus means “Jiangjunmiao lizard,” referring to a nearby temple called Jiangjunmiao
Jiangshanosaurus: Profile of a Prehistoric Giant Jiangshanosaurus Jiangshanosaurus (JEE-ahng-shahn-oh-SAWR-us; “Jiangshan lizard”) is a genus of titanosaurian sauropod dinosaur that lived during the Late Cretaceous period, approximately 72 to 66 million years ago. Its fossils were discovered in Jiangshan County, Zhejiang Province, in eastern China, which is how it got its name. Jiangshanosaurus was first scientifically
Jiangxisaurus: Profile of a Prehistoric Giant Jiangxisaurus Jiangxisaurus (JEE-ang-SHEE-sawr-us; “lizard from Jiangxi”) is a genus of oviraptorid theropod dinosaur that lived during the Late Cretaceous period, around 72 to 66 million years ago. Its fossils, including an incomplete skull and parts of the skeleton, were discovered in the Nanxiong Formation in Jiangxi Province, southern China,
