Haplocanthosaurus
Extinct genus of dinosaurs / From Wikipedia, the free encyclopedia
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Haplocanthosaurus (meaning "simple spined lizard") is a genus of intermediate sauropod dinosaur. Two species, H. delfsi and H. priscus, are known from incomplete fossil skeletons. It lived during the late Jurassic period (Kimmeridgian stage), 155 to 152 million years ago.[2] The type species is H. priscus, and the referred species H. delfsi was discovered by a young college student named Edwin Delfs in Colorado, United States. Haplocanthosaurus specimens have been found in the very lowest layer of the Morrison Formation, along with Hesperosaurus mjosi, Brontosaurus yahnahpin, and Allosaurus jimmadseni.[3]
Quick Facts Scientific classification, Type species ...
Haplocanthosaurus | |
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Updated mount in Cleveland Museum of Natural History | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Clade: | Saurischia |
Clade: | †Sauropodomorpha |
Clade: | †Sauropoda |
Superfamily: | †Diplodocoidea |
Family: | †Haplocanthosauridae Bonaparte, 1999 |
Genus: | †Haplocanthosaurus Hatcher, 1903 (conserved name) |
Type species | |
†Haplocanthosaurus priscus (Hatcher, 1903) (conserved name) | |
Other species | |
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Synonyms | |
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