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Parasaurolophus, a crested hadrosaur.. Hadrosaurids, also commonly referred to as duck-billed dinosaurs or hadrosaurs, were large terrestrial herbivores.The diet of hadrosaurid dinosaurs remains a subject of debate among paleontologists, especially regarding whether hadrosaurids were grazers who fed on vegetation close to the ground, or browsers who ate higher-growing leaves and twigs.
Parasaurolophus (/ ˌ p ær ə s ɔː ˈ r ɒ l ə f ə s,-ˌ s ɔːr ə ˈ l oʊ f ə s /; meaning "beside crested lizard" in reference to Saurolophus) [2] is a genus of hadrosaurid "duck-billed" dinosaur that lived in what is now western North America and possibly Asia during the Late Cretaceous period, about 76.9–73.5 million years ago. [3]
This is a list of non-avian dinosaurs whose remains have been recovered in Africa.Africa has a rich fossil record. It is rich in Triassic and Early Jurassic dinosaurs. . African dinosaurs from these time periods include Megapnosaurus, Dracovenator, Melanorosaurus, Massospondylus, Euskelosaurus, Heterodontosaurus, Abrictosaurus, and Lesoth
The ornithopod family, which includes genera such as Edmontosaurus and Parasaurolophus, was a common group of herbivores during the Late Cretaceous Period. [1] Hadrosaurids are descendants of the Late Jurassic / Early Cretaceous iguanodontian dinosaurs and had a similar body layout.
Shaximiao Formation (Middle Jurassic, Bajocian to Callovian) China: An ornithischian of uncertain affinities Xiaotingia: 2011 Tiaojishan Formation (Middle Jurassic to Late Jurassic, Bathonian to Oxfordian) China: Well-preserved but inconsistent in phylogenetic placement. Some studies suggest a position as an early avialan [146] Xingtianosaurus ...
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The Syrian or Western Asiatic elephant (sometimes given the subspecies designation Elephas maximus asurus) was the westernmost population of the Asian elephant (Elephas maximus), which went extinct in ancient times, with early human civilizations in the area utilizing the animals for their ivory, and possibly for warfare. [2]
Skull reconstruction. Olorotitan arharensis is based on the most complete lambeosaurine skeleton found outside North America to date. It was a large hadrosaurid, comparable with other large lambeosaurines such as Parasaurolophus cyrtocristatus, [1] and may have grown up to 8 metres (26 ft) in length, up to 3.5 metres (11 ft) in height and within the range of 2.6–3.4 metric tons (2.9–3.7 ...