Ammorhynchus is an extinct genus of hyperodapedontid rhynchosaur from middle Triassic (Anisian stage) deposits of Navajo County, Arizona. It is known from the holotype MSM 02-153/P4585, a nearly complete left maxilla and from three paratypes (MSM 00-99/P4409, MSM 00-103/P4586 and MSM 02-145/P4544) from the same locality. It was found in the Holbro...
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