Exhibit Spotlight Allosaurus fragilis img

Let’s check out Utah’s state fossil, Allosaurus. We have a bunch of these guys in the park, so it’s an important one to know at any time.

Sources:

Marsh, O. C. (1877). ART. LIII.–Notice of New Dinosaurian Reptiles from the Jurassic formation. American Journal of Science and Arts (1820-1879), 14(84), 514.

Mateus, O., Walen, A., & Antunes, M. T. (2006). The Large Theropod Fauna of the Lourinha Formation (Portugal) and Its Similarity to That of the Morrison Formation, with a Description of a New Species of Allosaurus. Paleontology and Geology of the Upper Jurassic Morrison Formation: Bulletin 36, 36, 123.

Dalman, S. (2014). Osteology of a large allosauroid theropod from the Upper Jurassic (Tithonian) Morrison Formation of Colorado, USA. Volumina Jurassica, 12(2), 159-180.

Hirsch, K. F., Stadtman, K. L., Miller, W. E., & Madsen Jr, J. H. (1989). Upper Jurassic dinosaur egg from Utah. Science, 243(4899), 1711.

Pinegar, R. T., Loewen, M. A., Cloward, K. C., Hunter, R. J., & Weege, C. J. (2003, January). A Juvenile Allosaur with Preserved Integument from the Basal Morrison Formation of Central Wyoming. In Journal of Vertebrate Paleontology (Vol. 23, pp. 87A-88A).