Witherell Quarry, Skull Creek (Jurassic to of the United States)

Where: Moffat County, Colorado (40.3° N, 108.7° W: paleocoordinates 36.3° N, 55.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; mudstone

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: J. R. Foster. 2003. Paleoecological analysis of the vertebrate fauna of the Morrison Formation (Upper Jurassic), Rocky Mountain region, U.S.A. New Mexico Museum of Natural History and Science Bulletin 23:1-95 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 231618: authorized by Matthew Carrano, entered by Matthew Carrano on 24.08.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Dipnoi - Ceratodontidae
Ceratodus sp. Agassiz 1838 lungfish
Reptilia
 Ornithischia -
Othnielia sp. Galton 1977 ornithopod
 Saurischia - Diplodocidae
 Saurischia - Camarasauridae
Camarasaurus sp. Cope 1877 camarasaurid
 Theropoda -
Theropoda indet. Marsh 1881 theropod
 Crocodylia -
Crocodylia indet. Owen 1842 crocodilian