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Psittacosaurus and Protoceratops are the most common dinosaurs in the different Mongolian sediments where they are found. [7] Triceratops fossils are far and away the most common dinosaur remains found in the latest Cretaceous rocks in the western United States, making up as much as 5/6ths of the large dinosaur fauna in some areas. [33]
Sauropods, the giant long-necked long-tailed four-legged herbivorous dinosaurs, are among the most common and famous Morrison fossils. A few have uncertain relationships, like "Apatosaurus" minimus (possibly a basal titanosauriform) and Haplocanthosaurus.
Restoration of Alamosaurus (background) and other dinosaurs from the Ojo Alamo Formation. Skeletal elements of Alamosaurus are among the most common Late Cretaceous dinosaur fossils found in the United States Southwest and are now used to define the fauna of that time and place, known as the "Alamosaurus fauna".
Camarasaurus (/ ˌ k æ m ər ə ˈ s ɔː r ə s / KAM-ər-ə-SOR-əs) was a genus of quadrupedal, herbivorous dinosaurs and is the most common North American sauropod fossil. Its fossil remains have been found in the Morrison Formation, dating to the Late Jurassic epoch (Kimmeridgian to Tithonian stages), between 155 and 145 million years ago.
The Morrison Formation is a distinctive sequence of Late Jurassic sedimentary rock that is found in the western United States, which has a wide assortment of taxa represented in its fossil record, including dinosaur fossils in North America.
This is a partial list of dinosaur finds in the United Kingdom, arranged by genus alphabetically. List of dinosaurs Genus Picture Period Discovery locations and dates Acanthopholis Cretaceous (late) Folkestone, Kent in c. 1865 Gault, Kent in 2000 Altispinax Cretaceous (early) Battle, East Sussex in 1856 Anoplosaurus Cretaceous (early) Cambridgeshire, no later than 1878 Aristosuchus Cretaceous ...
The fossil has been identified as a new silesaurid, an extinct group of reptiles. Paleontologists debate whether silesaurids were true dinosaurs or possibly a precursor to the creatures that once ...
In prehistoric Oklahoma, Astrodon lived alongside other dinosaurs, such as the sauropod Sauroposeidon proteles, the dromaeosaurid Deinonychus antirrhopus and the carnosaur Acrocanthosaurus atokensis. [20] [21] The most common dinosaur in the paleoenvironment preserved in the Antlers Formation is the ornithopod Tenontosaurus.