Genus: Abydosaurus CHURE, BRITT, WHITLOCK & WILSON, 2010
Etymology: Greek, Abydos, the city along the Nile River (now El Araba del Madfuna) that was the burial place of the head and neck of Osiris, Egyptian god of life, death, and fertility--an allusion to the type specimen, which is a skull and neck found in a quarry overlooking the Green River, Uintah County, Utah and Greek, sauros, "lizard."

Species: mcintoshi CHURE, BRITT, WHITLOCK & WILSON, 2010
Etymology: In honor of Jack McIntosh for his contributions to Dinosaur National Monument and to the study of sauropod dinosaurs.

Holotype: DINO 16488

Locality: DNM 16, 375 m WSW of the Carnegie Quarry at Dinosaur National Monument, Uintah County, Utah.

Horizon: Ruby Ranch Member, Cedar Mountain Formation.


Age: Cashenranchian age, Middle Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Skull, lower jaws and the first 4 cervical vertebrae.

Referred material:

DINO 17848: Anterior portion of an ariculated skull and lower jaws that was sawn through during excavation just anterior to the external nares. It preserves prenarial portions of the right and left dentaries, anterior portions of the right and left surangular and angular, right quadrate, pterygoid, and prearticular, and an associated right quadratojugal, ectopterygoid, dentary, splenial and intercoronid.

DINO 17489: A nearly complete disarticulated skull that includes right premaxilla, jugal, lacrimal, postorbital, and palatine, right and left maxillae, nasals, pterygoids, ectopterygoids, and quadratojugals, left quadrate, braincase with skull roof, and a complete set of upper teeth preserved as 'dentures'=dentigerous bones.

DINO 39727: Skull roof, partial pelvis, sacrum with an articulated tail, a scapula, humerus and metacarpus.