Main Breakfast Bench Quarry: Tithonian, Wyoming
collected by R. Bakker 1978
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Dipnoi
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Dipnoi indet.
Müller 1884
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| "giant lungfish with low-crowned teeth" | ||||||||||
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Reptilia
- Testudines
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Testudines indet.
Batsch 1788
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| shell fragments, limbs | ||||||||||
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Reptilia
- Pleurosternidae
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Uluops uluops n. gen., n. sp.
Carpenter and Bakker 1990
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Carpenter and Bakker 1990 | 1 individual | ||||||||
| CPS 100, skull (alternative number: UCM 53971) | ||||||||||
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Reptilia
- Crocodylia
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Crocodylia indet.
(Owen 1842)
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| teeth, vertebrae, scute | ||||||||||
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Reptilia
- Nodosauridae
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? Nodosauridae indet.
Marsh 1890
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1 specimen | |||||||||
| caudal centrum, "probably a nodosaur" | ||||||||||
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Mammalia
- Paurodontidae
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Foxraptor atrox n. gen., n. sp.
Bakker and Carpenter 1990
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Bakker and Carpenter 1990 | 1 individual | ||||||||
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Mammalia
- Multituberculata
- Zofiabaataridae
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Zofiabaatar pulcher n. gen., n. sp.
Bakker and Carpenter 1990
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Bakker and Carpenter 1990 | 2 specimens | ||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Albany |
| Coordinates: | 41.9° North, 105.9° West (view map) | ||||
| Paleocoordinates: | 37.7° North, 52.5° West | ||||
| Basis of coordinate: | stated in text | ||||
| Altitude: | 2072 meters | ||||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Tithonian | 10 m.y. bin: | Jurassic 6 |
| Key time interval: | Tithonian | ||
| Age range of interval: | 149.20000 - 145.00000 m.y. ago |
Stratigraphy
| Formation: | Morrison | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 17 m below Dakota Sandstone | |||||
Lithology and environment
| Primary lithology: | "cross stratification" sandstone |
| Secondary lithology: | planar lamination,green mudstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: above: "thick, multi-storied trough-crossbedded sandstone" below: "finely laminated green mudstone" | |
| Environment: | deltaic indet. |
| Geology comments: "swampy lake shore or delta" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | excellent |
| Associated major elements: | some |
| Disassociated major elements: | some |
| Disassociated minor elements: | some |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | selective quarrying,mechanical,field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | R. Bakker | Collection dates: | 1978 |
Metadata
| Also known as: | WY-24 | ||
| Database number: | 39412 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2004-05-28 06:03:24 | Last modified: | 2023-08-23 13:44:01 |
| Access level: | the public | Released: | 2004-05-28 06:03:24 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 10638. | ETE | R. T. Bakker. 1990. A new latest Jurassic vertebrate fauna, from the highest levels of the Morrison Formation at Como Bluff, Wyoming, with comments on Morrison biochronology. Part I. Biochronology. Hunteria 2(6):1-3 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 10652 | ETE,5% 20080 | R. T. Bakker and K. Carpenter. 1990. A new latest Jurassic vertebrate fauna, from the highest levels of the Morrison Formation at Como Bluff, Wyoming, with comments on Morrison biochronology. Part III. The mammals: a new multituberculate and a new paurodont. Hunteria 2(6):4-8 [M. Carrano/M. Carrano/M. Carrano] |
| 10651 | ETE | K. Carpenter and R. T. Bakker. 1990. A new latest Jurassic vertebrate fauna, from the highest levels of the Morrison Formation at Como Bluff, Wyoming, with comments on Morrison biochronology. Part II. A new baenid turtle. Hunteria 2(6):3-4 [M. Carrano/M. Carrano/M. Carrano] |
| 15179 | ETE | J. R. Foster. 2003. Paleoecological analysis of the vertebrate fauna of the Morrison Formation (Upper Jurassic), Rocky Mountain region, U.S.A. New Mexico Museum of Natural History and Science Bulletin 23:1-95 [M. Carrano/M. Carrano] |
| 24821 | ETE | P. M. Galton. 2007. Teeth of ornithischian dinosaurs (mostly Ornithopoda) from the Morrison Formation (Upper Jurassic) of the western United States. In K. Carpenter (ed.), Horns and Beaks: Ceratopsian and Ornithopod Dinosaurs 17-47 [M. Carrano/M. Carrano/M. Carrano] |
| 14966 | ETE | C. A. Miles and D. W. Hamblin. 1999. Historical update: paleontological excavation in the Como Region. In J. H. Ostrom & J. S. McIntosh, Marsh's Dinosaurs. Yale University Press, New Haven vii-xiv [M. Carrano/M. Carrano] |