Quarry 5, Como Bluff (YPM) (Jurassic to of the United States)

Also known as WY-26

Where: Carbon County, Wyoming (41.9° N, 106.1° W: paleocoordinates 37.5° N, 52.9° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• upper part of formation

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; medium-grained, coarse sandstone

• poorly drained floodplain
• "medium to coarse-grained sandstone"

Size class: macrofossils

Collected by W. Reed; reposited in the YPM

Collection methods: quarrying, mechanical,

Primary reference: O. C. Marsh. 1878. Principal characters of American Jurassic dinosaurs. Part I. American Journal of Science and Arts 16:411-416 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 39344: authorized by Matthew Carrano, entered by Matthew Carrano on 26.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Diplodocidae
Diplodocus sp.3 Marsh 1878 diplodocine
 Saurischia -
Camarasaurus sp.1 Cope 1877 sauropod
 Theropoda -
 Neornithischia - Dryosauridae
"Laosaurus altus n. sp." = Dryosaurus altus
"Laosaurus altus n. sp." = Dryosaurus altus Marsh 1878 bird foot dinosaur
YPM 1876
 Neornithischia -
Camptosaurus sp.1 Marsh 1885 bird foot dinosaur
 Pterosauria -
"Pterodactylus montanus n. sp." = Dermodactylus montanus2
"Pterodactylus montanus n. sp." = Dermodactylus montanus2 Marsh 1878 pterosaur
YPM 2020 (holotype), wing metacarpal