PBDB Collection

Freezeout Hills Quarry 6 (FMNH) (Jurassic to of the United States)

Also known as Carnegie Quarry M, University of Kansas Loc. 17

Where: Carbon County, Wyoming (42.0° N, 106.4° W: paleocoordinates 37.6° N, 52.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• upper third of formation

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; ferruginous, gray, silty claystone

• "greyish, grainy clay matrix and some reddish iron deposits"

Size classes: macrofossils, mesofossils

Collected by S. Williston, E. Riggs, H. Menke, C. Gilmore in 1899; reposited in the CM, FMNH

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: J. S. McIntosh. 1990. The second Jurassic dinosaur rush. Earth Sciences History 9(1):22-27 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 57894: authorized by Matthew Carrano, entered by Kaitlin Maguire on 05.01.2006, edited by Jonathan Tennant and Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Reptilia
Ornithischia - Stegosauridae	Stegosaurus sp.² Stegosaurus sp.² Marsh 1877 ornithischian plate, from Riggs's 1899 field notes
Ornithischia -	Camptosaurus sp. Camptosaurus sp. Marsh 1885 ornithopod
Theropoda -	Allosaurus sp. Allosaurus sp. Marsh 1877 allosauroid "Creosaurus" in Riggs's 1899 field notes
Theropoda - Megalosauridae	Torvosaurus tanneri² Torvosaurus tanneri² Galton and Jensen 1979 tetanuran theropod FMNH PR 3060: three midline fragments of gastralia, right metacarpal III, right manual phalanx III-2, left metatarsals II –IV, left pedal phalanx I-1.
Saurischia - Camarasauridae	Camarasaurus sp.² Camarasaurus sp.² Cope 1877 camarasaurid "Morosaurus" from Riggs's 1899 field notes
Saurischia - Diplodocidae	Apatosaurus sp.¹ Apatosaurus sp.¹ Marsh 1877 diplodocid