Adelolophus
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Adelolophus Temporal range: Late Cretaceous, 78 Ma |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Order: | †Ornithischia |
| Suborder: | †Ornithopoda |
| Family: | †Hadrosauridae |
| Genus: |
†Adelolophus Gates et al., 2014 |
| Species: | †A. hutchisoni |
| Binomial name | |
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Adelolophus hutchisoni Gates et al., 2014 |
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Adelolophus ("unknown crest") is a genus of lambeosaurine hadrosaurid dinosaur (a crested "duck-bill") from Upper Cretaceous rocks in Utah, United States. It is based on University of California Museum of Paleontology specimen 152028, a maxilla (tooth-bearing bone of the upper jaw). This specimen was found in the Campanian-age Wahweap Formation within Grand Staircase-Escalante National Monument. Adelolophus was described by Terry Gates and colleagues in 2014. The type and only known species is A. hutchisoni; the species name is a reference to Dr. Howard Hutchison, who found the specimen. The authors interpreted Adelolophus as the oldest known lambeosaurine from North America, at approximately 78 million years old.
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