Also known as Beckwith Quarry, Dinosaur Ridge, Saurian Quarry 5
Where: Jefferson County, Colorado (39.7° N, 105.2° W: paleocoordinates 35.3° N, 52.2° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Brushy Basin Member (Morrison Formation), Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 145.0 Ma)
• upper middle part of formation
• bed-level stratigraphic resolution
Environment/lithology: "channel"; lithified, lenticular, red, yellow sandstone
Size class: macrofossils
Collected by A. Lakes in 1877; reposited in the YPM
Collection methods: quarrying, mechanical,
Primary reference: O. C. Marsh. 1877. A new order of extinct Reptilia (Stegosauria) from the Jurassic of the Rocky Mountains. American Journal of Science and Arts 14:513-514 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 28382: authorized by Matthew Carrano, entered by Matthew Carrano on 10.02.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
| |
Reptilia | |
"Solemydidae indet." = Helochelydridae1
| |
"Diplosaurus felise" = Goniopholis felix1
| |
| |
Stegosaurus armatus n. gen. n. sp.
| |
| |
Apatosaurus ajax3 Marsh 1877 diplodocid ungual phalanx, M. T. Mossbrucker, pers. comm. 2009 to P. Galton
| |
Diplodocus lacustris n. sp.4
|