Carnegie Quarry D, Sheep Creek (Jurassic to of the United States)

Also known as WY-91

Where: Albany County, Wyoming (42.2° N, 105.9° W: paleocoordinates 37.7° N, 52.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• 30-40 ft above Quarry E

• bed-level stratigraphic resolution

Environment/lithology: pond; gray, argillaceous marl and limestone

• ponds and swamps in deltas or floodplains
• limestone-marl with silt and clay, gray

Size class: macrofossils

Collected by J. L. Wortman, A. Peterson, & C. W. Gilmore in 1899-1902

Collection methods: quarrying, mechanical,

• Collection includes materials from four successive years: J. L. Wortman 1899, A. Peterson 1900, and C. W. Gilmore 1901-2.

Primary reference: J. B. Hatcher. 1900. The Carnegie Museum Paleontological Expeditions of 1900. Science 12(306):718-720 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 13352: authorized by Matthew Carrano, entered by Matthew Carrano on 01.03.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Dinosauria -
 Saurischia - Diplodocidae
Diplodocus carnegii1, "Apatosaurus excelsus" = Brontosaurus excelsus2
Diplodocus carnegii1 Hatcher 1901 diplodocine
CM 94
"Apatosaurus excelsus" = Brontosaurus excelsus2 Marsh 1879 diplodocid
 Saurischia - Camarasauridae
"Morosaurus sp." = Camarasaurus1
"Morosaurus sp." = Camarasaurus1 Cope 1877 camarasaurid
CM 584
 Ornithischia - Stegosauridae
Stegosaurus sp.1 Marsh 1877 ornithischian
CM 106, 579–80, 598–600, 88 (now UMMP V 16779)