ALLOSAURUS JIMMADSENI - INFO
TIME
Late Jurassic, Late Kimmeridgian Tithonian
LOCATION
Dinosaur National Monument, Utah, United States of America
Salt Wash Member, Morrison formation
Measurements for this taxa (cm)
Skull
Maximum skull length: 67.7 cm
Maximum skull height (JUG -> LAC): 26.7 cm
Body
Maximum length (along centra): 665 cm (6.65 m)
Maximum length (along the curves of silhouette) 681 cm (6.81 m)
ABOUT ALLOSAURUS:
Allosaurus jimmadseni is one of the three definitive species of Allosaurus, other than Allosaurus fragilis from upper layers of the Morrison fm. and Allosaurus europeaus from Late Jurassic Portugal.
Allosaurus was one of the top predators of its environment,
REFERENCES
Skull
Chure, D.J. and Loewen, M.A., 2020. Cranial anatomy of Allosaurus jimmadseni, a new species from the lower part of the Morrison Formation (Upper Jurassic) of Western North America. PeerJ, 8, p.e7803.
Rush, Nicholas, and C. Storm. “Description and Analysis of an Allosaurus fragilis (Dinosauria: Theropoda) Skull.” Answers Research Journal 17 (2024): 677–707.https://answersresearchjournal.org/fossils/allosaurus-fragilis-skull/.
Postcrania
Madsen, J.H., 1976. Allosaurus fragilis: a revised osteology.
Snively, E., Cotton, J.R., Ridgely, R. and Witmer, L.M., 2013. Multibody dynamics model of head and neck function in Allosaurus (Dinosauria, Theropoda).
