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Megalosaurus is an extinct genus of large carnivorous theropod dinosaurs of the Middle Jurassic Epoch of southern England. Although fossils from other areas have been assigned to the genus, the only certain remains of Megalosaurus come from Oxfordshire and date to the late Middle Jurassic.
Gregory Scott Paul is an American freelance researcher, author and illustrator who works in paleontology. He is best known for his work and research on theropod dinosaurs and his detailed illustrations, both live and skeletal. Professionally investigating and restoring dinosaurs for three decades, Paul received an on-screen credit as dinosaur specialist on Jurassic Park and Discovery Channel's When Dinosaurs Roamed America and Dinosaur Planet. He is the author and illustrator of Predatory Dinosaurs of the World (1988), The Complete Illustrated Guide to Dinosaur Skeletons (1996), Dinosaurs of the Air (2001), three editions of The Princeton Field Guide to Dinosaurs, Gregory S. Paul's Dinosaur Coffee Table Book (2010), The Princeton Field Guide to Pterosaurs (2022), The Princeton Field Guide to Mesozoic Sea Reptiles (2022) and editor of The Scientific American Book of Dinosaurs (2000).
Ultrasaurus is a genus of sauropod dinosaur discovered by Haang Mook Kim in South Korea. However, the name was first used unofficially in 1979 by Jim Jensen to describe a set of giant dinosaur bones he discovered in the United States. Because Kim published the name for his specimen before Jensen could do so officially, Jensen renamed his specimen Ultrasauros. Jensen's giant sauropod was later found to be a chimera, and the type remains are now assigned to Supersaurus.
Valdosaurus is a genus of bipedal herbivorous iguanodont ornithopod dinosaur found on the Isle of Wight and elsewhere in England, Spain and possibly also Romania. It lived during the Early Cretaceous.
Nedoceratops is a controversial genus of ceratopsid dinosaur from the Late Cretaceous period Lance Formation of North America. It is known only from a single skull discovered in Wyoming. Its status is the subject of ongoing debate among paleontologists: some authors consider Nedoceratops a valid, distinct taxon, while others consider it to be an unusual specimen of Triceratops.
Ornithomimus is a genus of ornithomimid theropod dinosaurs from the Campanian and Maastrichtian ages of Late Cretaceous Western North America. Ornithomimus was a swift, bipedal dinosaur which fossil evidence indicates was covered in feathers and equipped with a small toothless beak that may indicate an omnivorous diet. It is usually classified into two species: the type species, Ornithomimus velox, and a referred species, Ornithomimus edmontonicus. O. velox was named in 1890 by Othniel Charles Marsh on the basis of a foot and partial hand from the Denver Formation of Colorado. Another seventeen species have been named since then, though almost all of them have been subsequently assigned to new genera or shown to be not directly related to Ornithomimus velox. The best material of species still considered part of the genus has been found in Alberta, representing the species O. edmontonicus, known from several skeletons from the Horseshoe Canyon Formation. Additional species and specimens from other formations are sometimes classified as Ornithomimus, such as Ornithomimus samueli from the earlier Dinosaur Park Formation.
Microceratus is a genus of small ceratopsian dinosaur that lived in the Cretaceous period in Asia. It walked on two legs, had short front arms, a characteristic ceratopsian frill and beak-like mouth, and was around 60 cm (2.0 ft) long. It was one of the first ceratopsians, or horned dinosaurs, along with Psittacosaurus in Mongolia.
Archaeornithomimus is a genus of ornithomimosaurian theropod dinosaur that lived in Asia during the Late Cretaceous period, around 96 million years ago in the Iren Dabasu Formation.
Lexovisaurus is a genus of stegosaur from mid-to-Late Jurassic Europe, 165.7-164.7 mya. Fossils of limb bones and armor fragments have been found in middle to late Jurassic-aged strata of England and France.
Bothriospondylus is a dubious genus of neosauropod sauropod dinosaur. It lived during the Late Jurassic in England, and the type and only species is B. suffossus.
Campylodoniscus is a genus of titanosaur sauropod dinosaur from the Late Cretaceous Period of what is now Argentina.
Zigongosaurus is a genus of sauropod dinosaur from the Middle Jurassic-Late Jurassic-age Shaximiao Formation of Zigong, Sichuan, China. Because of incomplete knowledge of Jurassic Chinese sauropods, it has been hard to interpret, with some sources assigning it to Omeisaurus, some to Mamenchisaurus, and some to its own genus.
Wannanosaurus is a genus of basal pachycephalosaurian dinosaur from the Maastrichtian Upper Cretaceous Xiaoyan Formation, about 70 million years ago in what is now Anhui, China. The type species Wannanosaurus yansiensis was described by Hou Lian-Hai in 1977.
Stephanosaurus is a dubious genus of hadrosaurid dinosaur with a complicated taxonomic history.
Telmatosaurus is a genus of basal hadrosauromorph dinosaur from the Late Cretaceous of Romania. It was a relatively small hadrosaur, measuring approximately 5 m (16 ft) in length and 600 kg (1,300 lb) in body mass, which has been explained as an instance of insular dwarfism.
Protognathosaurus is a genus of herbivorous dinosaur from the Middle Jurassic. It was a sauropod found at Dashanpu in Sichuan in what is present-day China.
Graciliceratops is a genus of neoceratopsian dinosaurs that lived in Asia during the Late Cretaceous period.
Palaeosaurus is a genus of indeterminate archosaur known from two teeth found in the Bromsgrove Sandstone Formation and also either the Magnesian Conglomerate or the Avon Fissure Fill of Clifton, Bristol, England. It has had a convoluted taxonomic history.
Poekilopleuron is a genus of carnosaurian theropod dinosaur, which lived during the middle Bathonian of the Jurassic, about 168 to 166 million years ago. The genus has been used under many different spelling variants, although only one, Poekilopleuron, is valid. The type species is P. bucklandii, named after William Buckland, and many junior synonyms of it have also been erected. Little material is currently known, as the holotype was destroyed in World War II, although many casts of the material still exist.
The Zhumabao Formation is a geological formation in Shanxi, China whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.
References
- 1 2 Wahl, David (2014). "Synoptic Lists of World Genera and Family-group Names". American Entomological Institute. Retrieved December 29, 2021.
- ↑ Seyrig, A. (1952). "Les ichneumonides de Madagascar (publie par L. Berland). IV. Ichneumonidae Cryptinae". Mem. Acad. Malgache Tananarive. 19 (39): 439–448.
- ↑ Mateus, O. (2008). "Two ornithischian dinosaurs renamed: Microceratops Bohlin 1953 and Diceratops Lull 1905". Journal of Paleontology. 82 (2): 423. doi:10.1666/07-069.1.
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