“`html Protoceratops: Profile of the First Horned Face Dinosaur Protoceratops Protoceratops (PRO-toh-SER-uh-tops; “First Horned Face”) Protoceratops is a genus of sheep-sized herbivorous ceratopsian dinosaur that lived during the Late Cretaceous period, approximately 75 to 71 million years ago. Its fossils are primarily found in the Gobi Desert of Mongolia and China. The name Protoceratops, meaning […]
Protognathosaurus: Profile of a Prehistoric Giant Protognathosaurus Protognathosaurus (PRO-toh-NATH-oh-SAWR-us; “first jaw lizard”) is a genus of sauropod dinosaur that lived during the Middle Jurassic period, around 168 to 165 million years ago. Its fossils were discovered in what is now China. The name Protognathosaurus refers to its presumed early position among sauropods and the fact
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Protognathus: Profile of a Prehistoric Giant Protognathus Protognathus (PROH-toh-NAY-thus; “first jaw”) is a genus name given to very limited fossil remains believed to belong to an early sauropodomorph dinosaur. These fossils date back to the Late Triassic period, approximately 227 to 208 million years ago, and were found in what is now Germany. Paleontologist Oskar
Protohadros Protohadros (PRO-toh-HAD-ross; “First Hadrosaur”) is a genus of ornithopod dinosaur that lived during the Late Cretaceous period, approximately 96 to 95 million years ago (Cenomanian stage), in what is now Texas, USA. The name Protohadros reflects its status as one of the earliest known hadrosauroids, the group that includes the famous “duck-billed” dinosaurs. This
“`html Protorosaurus: Profile of a Permian Reptile Protorosaurus Protorosaurus (PRO-toh-roh-SAWR-us; “first lizard”) is a genus of early archosauromorph reptile that lived during the Late Permian period, approximately 260 to 252 million years ago. Fossils of this ancient reptile have been discovered in what is now Germany and England. The name Protorosaurus, meaning “first lizard,” was
“`html Psittacosaurus: Profile of the Early Cretaceous Parrot Lizard Psittacosaurus Psittacosaurus (sih-TACK-oh-SAWR-us; “Parrot lizard”) is a genus of small, ceratopsian dinosaur that lived during the Early Cretaceous period, approximately 126 to 101 million years ago. Its fossils have been discovered across Asia, primarily in China, Mongolia, Russia, and Thailand. The name Psittacosaurus, given by American
“`html Pteropelyx Pteropelyx (TEHR-oh-PEE-liks; “Winged pelvis”) is a genus of hadrosaurid, or duck-billed, dinosaur that lived during the Late Cretaceous period, approximately 76 to 75 million years ago. Its fossils were discovered in what is now Montana, USA. The name Pteropelyx was given by the famous paleontologist Edward Drinker Cope in 1889. He named it
“`html Pterospondylus: Profile of a Prehistoric Giant Pterospondylus Pterospondylus (TEH-roh-SPON-dih-lus; “winged vertebra”) is a genus of theropod dinosaur that lived during the Late Triassic period, around 228 to 208 million years ago. Its fossils were discovered in what is now Transylvania, Romania. The name Pterospondylus was given by paleontologist Franz Nopcsa in 1923, based on
“`html Puertasaurus: Profile of a Prehistoric Giant Puertasaurus Puertasaurus (PWER-tah-SAWR-us; “Puerta’s lizard”) is a genus of giant titanosaurian sauropod dinosaur that lived during the Late Cretaceous period, approximately 70 million years ago, in what is now Patagonia, Argentina. The name honors Pablo Puerta and Santiago Reuil, who discovered the fossils in Santa Cruz Province in
“`html Pukyongosaurus: Profile of a Prehistoric Giant Pukyongosaurus Pukyongosaurus (POO-kyong-oh-SAWR-us; “Pukyong National University lizard”) is a genus of sauropod dinosaur that lived during the Early Cretaceous period, approximately 125 to 100 million years ago, in what is now South Korea. The name honors Pukyong National University, where one of its discoverers was based. Pukyongosaurus was
