Ahshislesaurus

Ahshislesaurus is an extinct genus of saurolophine hadrosaurid dinosaurs known from the Late Cretaceous of what is now New Mexico, United States. It is known from a partial skull and three neck vertebrae discovered in 1916 and first described in 1935. Prior to its scientific naming, researchers debated whether the specimen belonged to Kritosaurus navajovius, a related species from the same layers of rocks, or a distinct animal. The genus contains a single species, Ahshislesaurus wimani, named in 2025. A partial skeleton and isolated limb and girdle bones found in the same rock layers may also belong to Ahshislesaurus.

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