Also known as WY-21
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: Morrison Formation, Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)
• referred to in paper as "Atlantosaurus Beds" and "Como Beds"; upper middle part of formation
• bed-level stratigraphic resolution
Environment/lithology: wet floodplain; claystone
Size classes: macrofossils, mesofossils
Collected by W. Reed, W. Carlin, & S. Williston in 1877–1878, 1887; reposited in the YPM
Collection methods: quarrying, mechanical,
Primary reference: O. C. Marsh. 1877. Notice of new dinosaurian reptiles from the Jurassic formation. American Journal of Science and Arts 14:514-516 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 13212: authorized by Matthew Carrano, entered by Matthew Carrano on 29.01.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
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Reptilia | |
"Creosaurus atrox n. gen. n. sp." = Allosaurus fragilis3
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"Apatosaurus grandis n. sp." = Camarasaurus grandis, "Morosaurus robustus n. sp." = Camarasaurus grandis2, "Pleurocoelus montanus n. sp." = Camarasaurus grandis4, "Morosaurus impar n. gen. n. sp." = Camarasaurus grandis3
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