Elmisaurus elegans
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Leptorhynchos Temporal range: Late Cretaceous, 75–66 Ma |
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| Foot bones of L. elegans | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Order: | Saurischia |
| Suborder: | Theropoda |
| Family: | †Caenagnathidae |
| Subfamily: | †Elmisaurinae |
| Genus: |
†Leptorhynchos Longrich et al., 2013 |
| Type species | |
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†Leptorhynchos gaddisi Longrich et al., 2013 |
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| Species | |
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†L. elegans |
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†L. elegans
(Parks, 1933)
†L. gaddisi
Longrich et al., 2013
Leptorhynchos is an extinct genus of caenagnathid dinosaurs known from the Late Cretaceous Dinosaur Park, Hell Creek and Aguja Formations of west Texas and Montana, United States and southern Alberta, Canada. It lived about 75 to 66 million years ago.
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