“`html Xenoceratops: Profile of a Prehistoric Giant Xenoceratops Xenoceratops (ZEE-no-SEHR-uh-tops; “alien horned face”) is a genus of centrosaurine ceratopsid dinosaur that lived during the Late Cretaceous period, approximately 78.5 to 77.5 million years ago, in what is now Alberta, Canada. The name refers to the then-unusual features of its skull and the rarity of ceratopsian […]
“`html Xenoposeidon: Profile of a Prehistoric Giant Xenoposeidon Xenoposeidon (ZEN-oh-poe-SY-dun; “Alien Poseidon” or “Strange Poseidon”) is a genus of sauropod dinosaur that lived during the Early Cretaceous period, approximately 140 to 138 million years ago, in what is now England. The name refers to its unusual vertebral features (xeno-, meaning ‘strange’ or ‘alien’) and the
Xenotarsosaurus: Profile of a Prehistoric Giant Xenotarsosaurus Xenotarsosaurus (ZEE-no-TAR-so-SAWR-us; “Strange Ankle Lizard”) Xenotarsosaurus is a genus of abelisaurid theropod dinosaur that lived during the Late Cretaceous period, approximately 95 million years ago (Cenomanian-Turonian stages), in what is now Argentina, South America. The name Xenotarsosaurus comes from the Greek words “xenos” (strange), “tarsos” (ankle), and “sauros”
“`html Xianshanosaurus: Profile of a Prehistoric Giant Xianshanosaurus Xianshanosaurus (SHEE-ahn-shan-oh-SAWR-us; “Xianshan lizard”) is a genus of sauropod dinosaur that roamed the earth during the Late Cretaceous period, specifically the Turonian stage, around 92 million years ago. Its fossils were discovered in what is now Henan Province in China. The name Xianshanosaurus refers to Xianshan Mountain,
“`html Xiaotingia: Profile of a Four-Winged Jurassic Dinosaur Xiaotingia Xiaotingia (show-TING-ee-ah; “Zheng’s Xiaoting”) is a genus of small, bird-like theropod dinosaur that lived during the Late Jurassic period, approximately 161.5 to 159.5 million years ago, in what is now Liaoning Province, China. The name Xiaotingia honors Professor Zheng Xiaoting for his significant contributions to the
“`html Xinghesaurus: Profile of a Prehistoric Giant Xinghesaurus Xinghesaurus (SHING-heh-SAWR-us; “Xinghe lizard”) Xinghesaurus is a genus of titanosauriform sauropod dinosaur that lived during the Early Cretaceous period, approximately 130 to 125 million years ago. Its fossils were discovered in the Dashuigou Formation in Inner Mongolia, China. The name Xinghesaurus refers to Xinghe County, where it
“`html Xinjiangchelys: Profile of a Prehistoric Turtle Xinjiangchelys Xinjiangchelys (shin-jee-AHNG-keh-lees; “Xinjiang turtle”) Xinjiangchelys is an extinct genus of freshwater turtle that lived during the Middle to Late Jurassic period, approximately 168 to 150 million years ago. Its fossils have been primarily discovered in the Qigu Formation of the Junggar Basin, located in the Xinjiang Uyghur
Xinjiangovenator: Profile of a Prehistoric Hunter Xinjiangovenator Xinjiangovenator (SHIN-jyahng-oh-VEN-ah-tor; “Xinjiang hunter”) is a genus of theropod dinosaur that roamed what is now northwestern China during the Early Cretaceous period, approximately 140 to 120 million years ago. The name refers to the Xinjiang Uyghur Autonomous Region where its fossils were discovered and the Latin word “venator,”
Xinjiangtitan: Profile of a Prehistoric Giant Xinjiangtitan Xinjiangtitan (SHIN-jee-ahng-TY-tan; “Xinjiang giant”) is a genus of very large mamenchisaurid sauropod dinosaur that lived during the Middle Jurassic period, about 165 to 164 million years ago. Its fossils were discovered in the Shishugou Formation in the Xinjiang Autonomous Region of northwestern China. The name Xinjiangtitan refers to
Xiongguanlong Xiongguanlong (SHONG-gwahn-long; “Grand Pass dragon”) Xiongguanlong baimoensis is a genus of tyrannosauroid theropod dinosaur that lived during the Early Cretaceous period, approximately 125 to 100 million years ago (Aptian-Albian stages), in what is now Gansu Province, China. The name Xiongguanlong (“shong-GWAN-long”) refers to the historic Xiongguan Pass, part of the Jiayuguan Pass near the
