User talk:SissiYaoWSC
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Welcome to Wikipedia: check out the Teahouse!
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Hello! SissiYaoWSC,
you are invited to the Teahouse, a forum on Wikipedia for new editors to ask questions about editing Wikipedia, and get support from peers and experienced editors. Please join us! Liz Read! Talk! 00:56, 31 October 2022 (UTC)
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November 2022
Hello, I'm Moops. I wanted to let you know that one or more of your recent contributions to Rainbow's End (theme park) have been undone because they did not appear constructive. If you would like to experiment, please use your sandbox. If you have any questions, you can ask for assistance at the Teahouse or the Help desk. Thanks. — Moops ⋠T⋡ 01:15, 2 November 2022 (UTC)
A Dino is for You
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| Mounted cast of a fossil E. annectens skeleton, Rocky Mountain Dinosaur Resource Center | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Neornithischia |
| Clade: | †Ornithopoda |
| Family: | †Hadrosauridae |
| Subfamily: | †Saurolophinae |
| Tribe: | †Edmontosaurini |
| Genus: | †Edmontosaurus Lambe, 1917 |
| Type species | |
| †Edmontosaurus regalis Lambe, 1917
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| Other species | |
| Synonyms | |
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Edmontosaurus (/ɛdˌmɒntəˈsɔːrəs/ ed-MON-tə-SOR-əs) (meaning "lizard from Edmonton") is a genus of hadrosaurid (duck-billed) dinosaur. It contains two known species: Edmontosaurus regalis and Edmontosaurus annectens. Fossils of E. regalis have been found in rocks of western North America that date from the late Campanian stage of the Cretaceous Period 73 million years ago, while those of E. annectens were found in the same geographic region but in rocks dated to the end of the Maastrichtian stage of the Cretaceous, 66 million years ago. Edmontosaurus was one of the last non-avian dinosaurs, and lived alongside dinosaurs like Triceratops, Tyrannosaurus, Ankylosaurus, and Pachycephalosaurus shortly before the Cretaceous–Paleogene extinction event.
Edmontosaurus included some of the largest hadrosaurid species, with E. annectens measuring up to 12 metres (39 ft) in length and weighing around 5.6 metric tons (6.2 short tons) in average asymptotic body mass, although some individuals would have been larger.[2][3] Several well-preserved specimens are known that include not only bones, but in some cases extensive skin impressions and possible gut contents. It is classified as a genus of saurolophine (or hadrosaurine) hadrosaurid, a member of the group of hadrosaurids which lacked large, hollow crests, instead having smaller solid crests or fleshy combs.[4]
The first fossils named Edmontosaurus were discovered in southern Alberta (named after Edmonton, the capital city), in the Horseshoe Canyon Formation (formerly called the lower Edmonton Formation). The type species, E. regalis, was named by Lawrence Lambe in 1917, although several other species that are now classified in Edmontosaurus were named earlier. The best known of these is E. annectens, named by Othniel Charles Marsh in 1892; originally as a species of Claosaurus, known for many years as a species of Trachodon, and later as Anatosaurus annectens. Anatosaurus, Anatotitan and probably Ugrunaaluk are now generally regarded as synonyms of Edmontosaurus.
Edmontosaurus was widely distributed across western North America, ranging from Colorado to the north slopes of Alaska. The distribution of Edmontosaurus fossils suggests that it preferred coasts and coastal plains. It was a herbivore that could move on both two legs and four. Because it is known from several bone beds, Edmontosaurus is thought to have lived in groups, and may have been migratory as well. The wealth of fossils has allowed researchers to study its paleobiology in detail, including its brain, how it may have fed, and its injuries and pathologies, such as evidence for tyrannosaur attacks on a few edmontosaur specimens. 2407:7000:888F:5D00:4C9C:A7F0:B9A:C6D0 (talk) 07:23, 9 November 2022 (UTC)
- ^ Xing, H.; Mallon, J.C.; Currie, M.L. (2017). "Supplementary cranial description of the types of Edmontosaurus regalis (Ornithischia: Hadrosauridae), with comments on the phylogenetics and biogeography of Hadrosaurinae". PLOS ONE. 12 (4): e0175253. Bibcode:2017PLoSO..1275253X. doi:10.1371/journal.pone.0175253. PMC 5383305. PMID 28384240.
- ^ Cite error: The named reference
Wosik2022was invoked but never defined (see the help page). - ^ Horner, John R.; Goodwin, Mark B.; Myhrvold, Nathan (2011). "Dinosaur Census Reveals Abundant Tyrannosaurus and Rare Ontogenetic Stages in the Upper Cretaceous Hell Creek Formation (Maastrichtian), Montana, USA". PLOS ONE. 6 (2): e16574. Bibcode:2011PLoSO...616574H. doi:10.1371/journal.pone.0016574. PMC 3036655. PMID 21347420.
- ^ Cite error: The named reference
crestwas invoked but never defined (see the help page).