Northern Dinosaur Beach (CURE) (Jurassic of the United States)

Also known as Curecanti, North Beach II

Where: Gunnison County, Colorado (38.5° N, 107.4° W: paleocoordinates 33.7° N, 53.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Kimmeridgian (157.3 - 152.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: crevasse splay; intraclastic, conglomeratic sandstone

• conglomeratic sandstone that is poorly-sorted, containing very coarse sand- to pebble-sized red and green semi-angular chert and mud clasts in a fine sand matrix

Size classes: macrofossils, mesofossils

Collected by K. Trujillo in 2001–2002

Collection methods: surface (float), surface (in situ),

Primary reference: A. L. Koch, F. Frost, and K. Trujillo. 2006. Palaeontological discoveries at Curecanti National Recreation Area and Black Canyon of the Gunnison National Park, Upper Jurassic Morrison Formation, Colorado. In J. R. Foster & S. G. Lucas (ed.), Paleontology and Geology of the Upper Jurassic Morrison Formation. New Mexico Museum of Natural History and Science Bulletin 36:35-38 [P. Mannion/J. Tennant/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 154924: authorized by Philip Mannion, entered by Jonathan Tennant on 20.03.2014, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Dinosauria -
Dinosauria indet. Owen 1842 dinosaur
 Ornithischia - Stegosauridae
Stegosaurus sp. Marsh 1877 ornithischian
 Ornithischia -
? Ornithopoda indet. Marsh 1881 ornithopod
"what may be a hypsilophodont-grade ornithischian"
 Theropoda -
Theropoda indet. Marsh 1881 theropod
Allosaurus sp. Marsh 1877 allosauroid
CURE 009, partial dorsal vertebra centrum; CURE 010, nearly complete dorsal vertebra centrum
Ceratosaurus sp. Marsh 1884 ceratosaur
CURE 004, partial anterior tooth
 Saurischia - Camarasauridae
Camarasaurus sp. Cope 1877 camarasaurid
CURE 003, CURE 011, and CURE 012, tooth crowns preserved in cross-section
 Saurischia - Diplodocidae
Diplodocidae indet. diplodocid
CURE 005, tooth with root in cross-section
Apatosaurus sp. Marsh 1877 diplodocid
Diplodocinae indet. Janensch 1929 diplodocine
Diplodocus or Barosaurus;CURE 001, centrum of caudal vertebra; CURE 002, centrum of mid-caudal vertebra