Dana Quarry (Jurassic to of the United States)

Also known as DQ

Where: Washakie County, Wyoming (44.1° N, 107.5° W: paleocoordinates 39.0° N, 51.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Morrison Formation, Late/Upper Oxfordian to Late/Upper Oxfordian (161.2 - 150.8 Ma)

• lower part of formation, 6-9 m above contact w/underlying Sundance Fm.

• bed-level stratigraphic resolution

Environment/lithology: fine channel fill; sandy mudstone

• seasonal body of water, possibly an oxbow lake

Size classes: macrofossils, mesofossils

Collected by H. Galiano in 1991, 2006-present

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

• discovered ca. 1991 but not excavated until 2006-

Primary reference: H. Galiano and R. Albersdörfer. 2010. A New Basal Diplodocoid Species, Amphicoelias brontodiplodocus from the Morrison Formation, Big Horn Basin, Wyoming, with Taxonomic Reevaluation of Diplodocus, Apatosaurus, Barosaurus and Other Genera. Dinosauria International (Ten Sleep, WY) Report for September 2010 1-41 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 126540: authorized by Matthew Carrano, entered by Matthew Carrano on 06.04.2012, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudinata -
 Saurischia - Diplodocidae
? Barosaurus sp. Marsh 1890 diplodocine
? Diplodocus sp. Marsh 1878 diplodocine
? Apatosaurus sp. Marsh 1877 diplodocid
Amphicoelias brontodiplodocus n. sp. Galiano and Albersdörfer 2010 diplodocid
 Saurischia -
Camarasaurus sp. Cope 1877 sauropod
 Saurischia - Brachiosauridae
Brachiosaurus sp. Riggs 1903 brachiosaurid
 Avetheropoda - Allosauridae
"Allosaurus jimmadsoni" = Allosaurus jimmadseni
"Allosaurus jimmadsoni" = Allosaurus jimmadseni Chure et al. 2006 allosaurid
 Avetheropoda -
cf. Coelurus sp. Marsh 1879 coelurosaur
 Avetheropoda - Compsognathidae
Ornitholestes sp. Osborn 1903 compsognathid
"n. sp."
 Saurischia - Megalosauridae
Torvosaurus sp. Galton and Jensen 1979 tetanuran
 Saurischia -
Ceratosaurus sp. Marsh 1884 ceratosaur
 Ornithischia - Stegosauridae
Hesperosaurus mjosi Carpenter et al. 2001 ornithischian
 Neornithischia -
Othnielosaurus consors Marsh 1894 ornithischian
Camptosaurus sp. Marsh 1885 bird foot dinosaur
 Equisetales -
Equisetales indet. Dumortier 1829
Coniferophyta indet.
"several families of conifers"
Cycadophyta indet. Bessey 1907
Pteridophyta indet. Haeckel 1875