Rattlesnake Ridge Quarry (Jurassic to of the United States)

Also known as Suuwassea type site

Where: Carbon County, Montana (45.3° N, 108.8° W: paleocoordinates 41.3° N, 54.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Morrison Formation, Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 145.0 Ma)

• "?Brushy Basin member equivalent", lower Morrison

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by W. Donawick & W. Tillett in 1999-2000

Collection methods: quarrying, mechanical,

• Specimen was discovered by W. Donawick and W. Tillett

Primary reference: J. D. Harris and P. Dodson. 2003. A new diplodocoid (Dinosauria: Sauropoda) from the Morrison Formation of Montana. Journal of Vertebrate Paleontology 23(3, suppl.):59A [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 38866: authorized by Matthew Carrano, entered by Matthew Carrano on 11.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Dicraeosauridae
Suuwassea emilieae n. gen. n. sp.
Suuwassea emilieae n. gen. n. sp. Harris and Dodson 2004 dicraeosaurid
ANS 21122