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| Nomina Dubia | Misspelling | No Dinosaur | Illustration | Inc. Sedis | Type species | Eggs | Skin | Sail | Skull | Genera |
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Dinosaurs
A |
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ACHELOUSAURUS
horneri |
| DESCRIBER | Sampson,1994 |
| TIME | Cretaceous
Late Campanian |
| CLASSIFICATION | Ornithischia Genasauria Cerapoda Marginocephalia Ceratopia Neoceratopia Ceratopidae Pachyrhinosaurinae |
| DIET | Herbivore |
| FOSSILSITE | Two Medicine Formation, Montana, US |
| FALL UNDER | ACHELOUSAURUS |
| LENGTH | 6 meter |
| INFO | Achelousaurus > A. horneri |
