Leptoceratops: Profile of a Prehistoric Horned Dinosaur Leptoceratops Leptoceratops (LEP-toh-SEHR-uh-tops; “small-horned face”) is a genus of small, primitive ceratopsian dinosaur that lived during the Late Cretaceous period, approximately 70 to 66 million years ago. Its fossils have been discovered in western North America, specifically in places like Alberta, Canada, and Wyoming in the United States. […]
Leptospondylus: Profile of a Prehistoric Amphibian Leptospondylus Leptospondylus (LEP-toh-SPON-dih-lus; “slender vertebra”) refers to a group of small, extinct amphibian-like animals that lived during the Late Carboniferous and Early Permian periods, approximately 310 to 270 million years ago. Fossils attributed to or similar to Leptospondylus have been found in North America and Europe. The name was
Leshansaurus: Profile of a Prehistoric Giant Leshansaurus Leshansaurus (LEH-shan-SAWR-us; “Leshan Lizard”) is a genus of theropod dinosaur that roamed current-day China during the Middle Jurassic period, approximately 168 to 165 million years ago. The name Leshansaurus refers to the city of Leshan in Sichuan Province, China, which is close to where its fossilized remains were
Lesothosaurus Lesothosaurus (leh-SOH-thoh-SAWR-us; “Lizard from Lesotho”) is a genus of small, early ornithischian dinosaur that lived during the Early Jurassic period, approximately 201 to 190 million years ago. Its fossils have been discovered in the southern African nations of Lesotho and South Africa. The name Lesothosaurus reflects its discovery location, combining “Lesotho” with the Greek
Lessemsaurus Lessemsaurus (LESS-em-SAWR-us; “Lessem’s lizard”) is a genus of large, herbivorous sauropodomorph dinosaur that lived during the Late Triassic period, around 210 million years ago, in what is now Argentina. The name honors Don Lessem, a well-known writer of popular science books about dinosaurs. Lessemsaurus was first described by paleontologist José Bonaparte in 1999, based
Levnesovia Levnesovia (lev-neh-SOH-vee-ah; “Lev Nesov’s dinosaur”) is a genus of basal hadrosauroid dinosaur, an early type of duck-billed dinosaur, that lived during the Late Cretaceous period, approximately 92 to 90 million years ago (Turonian stage). Its fossils were discovered in the Bissekty Formation of Uzbekistan, Central Asia. The dinosaur was named and described in 2009
Lexovisaurus: Profile of a Prehistoric Giant Lexovisaurus Lexovisaurus (LEK-so-vih-SAWR-us; “Lexovian lizard”) is a genus of stegosaurian dinosaur that lived during the Middle Jurassic period, around 165 to 164 million years ago. Its fossils have been discovered in what is now England and France. The name “Lexovisaurus” refers to the Lexovii, an ancient Gallic tribe that
Leyesaurus: Profile of a Prehistoric Giant Leyesaurus Leyesaurus (LAY-eh-sore-us; “Leyes’ lizard”) is a genus of massospondylid sauropodomorph dinosaur that lived during the Early Jurassic period, approximately 189 to 174 million years ago. Its fossils were discovered in the Quebrada del Barro Formation in San Juan Province, Argentina. The name honors the Leyes family, who discovered
Liaoceratops Liaoceratops (lee-OW-keh-RAH-tops; “Liao horned face”) is a genus of small, early ceratopsian dinosaur that lived during the Early Cretaceous period, approximately 126 million years ago. Its fossils were discovered in the famous Yixian Formation of Liaoning Province, China. The name refers to the Liaoning region and the small horns present on its skull. Liaoceratops
Liaoningosaurus: Profile of a Prehistoric Armored Dinosaur Liaoningosaurus Liaoningosaurus (lee-YOW-ning-oh-SORE-us; “Liaoning lizard”) is a genus of armored dinosaur, known as an ankylosaur, that lived during the Early Cretaceous period, approximately 122 million years ago. Its fossils were discovered in the Liaoning Province of northeastern China, which is how it got its name. This dinosaur is
