Quarry R (AMNH) (Jurassic of the United States)

Where: Albany County, Wyoming (41.9° N, 106.0° W: paleocoordinates 36.9° N, 51.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Morrison Formation, Kimmeridgian (157.3 - 152.1 Ma)

• two distinct layers

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by W. Reed in 1900–1903; reposited in the AMNH

Collection methods: quarrying, mechanical,

• juvenile sauropods and Allosaurus from lower layer; Camarasaurus and Allosaurus from upper layer

Primary reference: B. H. Breithaupt. 1990. Biography of William Harlow Reed: the story of a frontier fossil collector. Earth Sciences History 9(1):6-13 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 57903: authorized by Matthew Carrano, entered by Kaitlin Maguire on 05.01.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda -
Allosaurus sp.1 Marsh 1877 allosauroid
AMNH 813
 Saurischia - Camarasauridae
Camarasaurus sp.2 Cope 1877 camarasaurid
 Saurischia - Diplodocidae
Apatosaurus sp.2 Marsh 1877 diplodocid
Diplodocus sp.2 Marsh 1878 diplodocine