Red Fork Powder River Quarry B (Jurassic to of the United States)

Also known as RFPR

Where: Johnson County, Wyoming (43.6° N, 106.8° W: paleocoordinates 39.3° N, 52.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Morrison Formation, Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by W. Utterback in 1903; reposited in the CM

Collection methods: quarrying, mechanical,

• Collected by W. H. Utterback, 1903

Primary reference: W. J. Holland. 1905. The osteology of Diplodocus Marsh. With special reference to the restoration of the skeleton of Diplodocus carnegiei Hatcher, presented by Mr. Andrew Carnegie to the British Museum, May 12, 1905. Memoirs of the Carnegie Museum 2(6):225-264 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 58509: authorized by Matthew Carrano, entered by Matthew Carrano on 10.02.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
Sauropoda indet.3 Marsh 1878 sauropod
CM 1256
Neosauropoda indet.3 Bonaparte 1986 sauropod
associated caudal vertebrae, chevrons, and a partial ischium (CM 312), midcaudal vertebrae (CM 36034, CM 36036), two partial scapulae (CM 36028, CM 36030), a nearly complete right ischium (CM 28847) and a right tibia (CM 36023)
 Saurischia - Camarasauridae
Camarasauridae indet.3 Cope 1877 camarasaurid
CM 1253, 1256, 21775, 28846, 36019–22, 36024, 36027, 36029, 36031–32, 36040, 36043, 36670
 Saurischia -
Diplodocoidea indet.3 Upchurch 1995 sauropod
partial dorsal centrum (CM 36042)
? Haplocanthosaurus sp.2 Hatcher 1903 sauropod
CM 36034
Flagellicaudata indet.3 Harris and Dodson 2004 sauropod
A partial left scapula (CM 90276) and coracoid (CM 36025), the distal end of a left ischium (CM 28848), and two left metatarsals (CM 90277)
 Saurischia - Diplodocidae
Diplodocidae indet.3 diplodocid
posterior dorsal vertebra (CM 36282)
Diplodocinae indet.3 diplodocine
CM 307
Galeamopus sp.3 Tschopp et al. 2015 diplodocine
four nearly complete cervical vertebrae and fragments of a fifth (CM 36039), possibly two articulated dorsal vertebral arches (CM 36041), two caudal vertebrae (CM 36035)
 Theropoda -
Allosaurus sp.1 Marsh 1877 allosauroid
CM 36037, caudal