Oak Place, Westminster (DMNH 1513) (Cretaceous of the United States)

Where: Arapahoe County, Colorado (39.8° N, 105.0° W: paleocoordinates 46.7° N, 80.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Denver Formation, Maastrichtian (72.1 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial

Size classes: macrofossils, mesofossils

Reposited in the DMNH

Collection methods: salvage,

• discovered by Alan Nolan

Primary reference: K. Carpenter and D. B. Young. 2002. Late Cretaceous dinosaurs from the Denver Basin, Colorado. Rocky Mountain Geology 37(2):237-254 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 49539: authorized by Matthew Carrano, entered by Matthew Carrano on 19.04.2005, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines -
 Testudines - Nanhsiungchelyidae
Basilemys cf. sinuosa Riggs 1906 turtle
 Testudines - Pantrionychidae
"Plastomeninae indet." = Plastomenidae, Helopanoplia cf. distincta
"Plastomeninae indet." = Plastomenidae Hay 1902 turtle
 Avetheropoda - Dromaeosauridae
Dromaeosauridae indet. Colbert and Russell 1969 coelurosaur
 Avetheropoda - Tyrannosauridae
Tyrannosaurus cf. rex Osborn 1905 tyrant lizard king
 Ornithischia -
Ankylosauria indet. ornithischian
 Ornithischia - Nodosauridae
Edmontonia sp. Sternberg 1928 ornithischian
 Neornithischia - Pachycephalosauridae
Pachycephalosaurus sp. Brown and Schlaikjer 1943 ornithischian
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
 Neornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid