Cope Quarry III, Cope's Nipple (Jurassic of the United States)

Also known as Saurian Hill

Where: Fremont County, Colorado (38.5° N, 105.2° W: paleocoordinates 34.4° N, 52.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Tithonian (152.1 - 145.0 Ma)

• near the top of the Morrison Formation

• bed-level stratigraphic resolution

Environment/lithology: dry floodplain; red mudstone

• "the matrix in the vicinity of the quarry is a reddish mudstone" (ref 19894)

Size class: macrofossils

Collected by O. W. Lucas; reposited in the AMNH

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: E. D. Cope. 1878. On the Saurians recently discovered in the Dakota Beds of Colorado. The American Naturalist 12(2):71-85 [J. Alroy/R. Whatley/R. Whatley]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 48129: authorized by Matthew Carrano, entered by Matthew Carrano on 14.03.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Rebbachisauridae
"Amphicoelias fragillimus n. sp." = Maraapunisaurus fragillimus2
"Amphicoelias fragillimus n. sp." = Maraapunisaurus fragillimus2 Cope 1878 sauropod
 Saurischia -
"Camarasaurus supremus" = Camarasaurus supremus1, "Camarasaurus leptodirus n. sp." = Camarasaurus supremus4
"Camarasaurus supremus" = Camarasaurus supremus1 Cope 1877 sauropod
"Camarasaurus leptodirus n. sp." = Camarasaurus supremus4 Cope 1877 sauropod
 Avetheropoda - Allosauridae
"Epanterias amplexus n. gen. n. sp." = Allosaurus fragilis3
"Epanterias amplexus n. gen. n. sp." = Allosaurus fragilis3 Marsh 1877 allosaurid
AMNH 5767
 Ornithischia - Stegosauridae
"Hypsirophus discurus n. gen. n. sp." = Stegosaurus discurus1
"Hypsirophus discurus n. gen. n. sp." = Stegosaurus discurus1 Cope 1878 ornithischian