Quarry 3, Como Bluff (YPM) (Jurassic to of the United States)

Also known as WY-20

Where: Albany County, Wyoming (41.9° N, 106.0° W: paleocoordinates 37.5° N, 52.2° 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; mudstone

• poorly drained floodplain

Size class: macrofossils

Collected by W. Reed; reposited in the YPM

Collection methods: quarrying, mechanical,

Primary reference: O. C. Marsh. 1878. Notice of new dinosaurian reptiles. American Journal of Science and Arts 15:241-244 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 39340: authorized by Matthew Carrano, entered by Matthew Carrano on 26.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
"Morosaurus grandis" = Camarasaurus grandis2
"Morosaurus grandis" = Camarasaurus grandis2 Marsh 1877 sauropod
YPM 1907
 Avetheropoda - Allosauridae
"Allosaurus lucaris n. sp." = Allosaurus fragilis
"Allosaurus lucaris n. sp." = Allosaurus fragilis Marsh 1877 allosaurid
YPM 1931
 Ornithischia - Stegosauridae
Stegosaurus sp.1 Marsh 1877 ornithischian
 Neornithischia - Dryosauridae
Dryosaurus sp.1 Marsh 1894 bird foot dinosaur