Red Canyon Ranch (Jurassic of the United States)

Also known as Hope College REU

Where: Big Horn County, Wyoming (44.6° N, 107.8° W: paleocoordinates 39.9° N, 52.3° W)

• coordinate based on unpublished field data

• outcrop-level geographic resolution

When: Morrison Formation, Late/Upper Jurassic (163.5 - 145.0 Ma)

• upper Morrison

Environment/lithology: fluvial; poorly lithified siltstone and lithified sandstone

• floodplain and crevasse splay, point bar

Size classes: macrofossils, mesofossils, microfossils

Preservation: charcoalification, original phosphate, original carbon

Collection methods: bulk, salvage, quarrying, surface (float), surface (in situ), sieve,

• Cincinnati Museum of Natural History

Primary reference: A. M. Cartwright, T. P. Cleland, S. F. Derby, E. E. Ergas, H. I. Fay, K. M. Loughney, J. A. Riedel, M. K. Rocheford, C. L. Scott and K. L. Skaggs. 2005. Aspects of the paleontology and stratigraphy of the lower Triassic-Lower Cretaceous strata of the eastern Bighorn Basin, WY. Geological Society of America Abstracts with Programs 37(7):302 [M. Uhen/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 62561: authorized by Mark Uhen, entered by Mark Uhen on 22.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia -
Sauropoda indet. sauropod
possibly Brachiosaurus or Haplocanthosaurus
 Saurischia - Camarasauridae
Camarasaurus sp.1 Cope 1877 camarasaurid
 Avetheropoda - Allosauridae
Allosaurus sp.1 Marsh 1877 allosaurid
 Saurischia - Megalosauridae
Torvosaurus sp.1 Galton and Jensen 1979 tetanuran
 Ornithischia - Stegosauridae
Stegosaurus sp.1 Marsh 1877 ornithischian
Mammalia indet.1 Linnaeus 1758 mammal
 Pinales - Podocarpaceae
Mesembrioxylon sp.2 Seward 1919
 Cyatheales - Dicksoniaceae
? Coniopteris sp.2 Brongniart 1849