Dana Quarry: Late/Upper Oxfordian - Early/Lower Kimmeridgian, Wyoming
collected by H. Galiano 1991, 2006-
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Pteridophyta indet.
Haeckel 1875
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"ferns" | ||||||||||
Polypodiopsida
- Equisetales
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Equisetales indet.
Dumortier 1829
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"horsetails" | ||||||||||
unclassified
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Cycadophyta indet.
Bessey 1907
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"cycads" | ||||||||||
Coniferophyta indet.
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"several families of conifers" | ||||||||||
Reptilia
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Testudinata indet.
(Oppel 1811)
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1 individual | |||||||||
Reptilia
- Stegosauridae
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Hesperosaurus mjosi
Carpenter et al. 2001
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1 individual | |||||||||
Reptilia
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Camptosaurus sp.
Marsh 1885
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Othnielosaurus consors
(Marsh 1894)
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synonym of Nanosaurus agilis | ||||||||||
Reptilia
- Compsognathidae
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Ornitholestes sp.
Osborn 1903
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"n. sp." | ||||||||||
Reptilia
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cf. Coelurus sp.
Marsh 1879
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Reptilia
- Megalosauridae
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Torvosaurus sp.
Galton and Jensen 1979
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Reptilia
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Allosaurus jimmadsoni
(Chure et al. 2006)
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1 individual | |||||||||
original and current combination Allosaurus jimmadseni | ||||||||||
Ceratosaurus sp.
Marsh 1884
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Reptilia
- Brachiosauridae
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Brachiosaurus sp.
Riggs 1903
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Reptilia
- Camarasauridae
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Camarasaurus sp.
Cope 1877
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Reptilia
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Amphicoelias brontodiplodocus n. sp.
Galiano and Albersdörfer 2010
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8 individuals | |||||||||
DQ-TY, DQ-BD, DQ-SB, DQ-PC, DQ-EN (9 measurements) | ||||||||||
? Apatosaurus sp.
Marsh 1877
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Hanson and Makovicky 2013 | |||||||||
? Diplodocus sp.
Marsh 1878
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Hanson and Makovicky 2013 | |||||||||
? Barosaurus sp.
Marsh 1890
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Hanson and Makovicky 2013 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Washakie |
Coordinates: | 44.1° North, 107.5° West (view map) | ||||
Paleocoordinates: | 39.0° North, 51.9° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | outcrop |
Time
Period: | Jurassic | Epoch: | Late/Upper Jurassic |
10 m.y. bin: | Jurassic 5 | ||
Key time interval: | Late/Upper Oxfordian - Early/Lower Kimmeridgian | ||
Age range of interval: | 161.20000 - 150.80000 m.y. ago |
Stratigraphy
Formation: | Morrison | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: lower part of formation, 6-9 m above contact w/underlying Sundance Fm. |
Lithology and environment
Primary lithology: | sandy mudstone |
Includes fossils? | Y |
Environment: | fine channel fill |
Geology comments: seasonal body of water, possibly an oxbow lake |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | concentrated |
Size of fossils: | macrofossils,mesofossils |
Preservation of anatomical detail: | excellent |
Abundance in sediment: | common |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection excludes: | some macrofossils | ||
Collection methods: | selective quarrying,surface (in situ),mechanical,field collection | ||
Reason for describing collection: | taxonomic analysis | ||
Collectors: | H. Galiano | Collection dates: | 1991, 2006-present |
Collection method comments: discovered ca. 1991 but not excavated until 2006- |
Metadata
Also known as: | DQ | ||
Database number: | 126540 | ||
Authorizer: | M. Carrano, P. Mannion | Enterer: | M. Carrano, J. Tennant |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2012-04-06 06:30:54 | Last modified: | 2021-09-03 11:38:11 |
Access level: | the public | Released: | 2012-04-06 06:30:54 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
41030. | 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] |
Secondary references:
71691 | D. J. Chure and M. A. Loewen. 2020. Cranial anatomy of Allosaurus jimmadseni, a new species from the lower part of the Morrison Formation (Upper Jurassic) of western North America. PeerJ 8:e7803:1-65 [M. Uhen/M. Uhen/M. Carrano] | |
41031 | H. Galiano and R. Albersdörfer. 2010. Amphicoelias "brontodiplodocus" a New Sauropod, 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 December 2010 1-51 [M. Carrano/M. Carrano] | |
49550 | M. Hanson and P. J. Makovicky. 2013. A new specimen of Torvoaurus tanneri originally collected by Elmer Riggs. Historical Biology 26(6):775-784 [P. Mannion/J. Tennant/M. Carrano] |