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

Reptilia
 Saurischia - Brachiosauridae
Brachiosaurus sp. Riggs 1903 brachiosaurid
 Saurischia - Camarasauridae
Camarasaurus sp. Cope 1877 camarasaurid
 Saurischia -
Amphicoelias brontodiplodocus n. sp. Galiano and Albersdörfer 2010 sauropod
DQ-TY, DQ-BD, DQ-SB, DQ-PC, DQ-EN
 Saurischia - Diplodocidae
? Apatosaurus sp. Marsh 1877 diplodocid
? Diplodocus sp. Marsh 1878 diplodocine
? Barosaurus sp. Marsh 1890 diplodocine
 Theropoda -
"Allosaurus jimmadsoni" = Allosaurus jimmadseni, Ceratosaurus sp.
"Allosaurus jimmadsoni" = Allosaurus jimmadseni Chure et al. 2006 allosauroid
Ceratosaurus sp. Marsh 1884 ceratosaur
 Theropoda - Megalosauridae
Torvosaurus sp. Galton and Jensen 1979 tetanuran theropod
 Theropoda -
cf. Coelurus sp. Marsh 1879 coelurosaur
 Theropoda - Compsognathidae
Ornitholestes sp. Osborn 1903 compsognathid
"n. sp."
 Ornithischia - Stegosauridae
Hesperosaurus mjosi Carpenter et al. 2001 ornithischian
 Ornithischia -
"Othnielosaurus consors" = Nanosaurus agilis, Camptosaurus sp.
"Othnielosaurus consors" = Nanosaurus agilis Marsh 1877 ornithopod
Camptosaurus sp. Marsh 1885 ornithopod
 Testudinata -
Testudinata indet. Oppel 1811 turtle
unclassified
  -
Pteridophyta indet. Haeckel 1875
"ferns"
Polypodiopsida
 Equisetales - Equisetidae
Equisetales indet. Dumortier 1829
"horsetails"
unclassified
  -
Coniferophyta indet.
"several families of conifers"
Cycadophyta indet. Bessey 1907
"cycads"