Henry's Fork: Middle Eocene, Wyoming
collected by O. C. Marsh, J. Carter 1871
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Piciformes
- Picidae
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Uintornis lucaris n. gen., n. sp.
Marsh 1872
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1 specimen | |||||||||
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Reptilia
- Gruiformes
- Gruidae
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Aletornis venustus n. sp.
Marsh 1872
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1 specimen | |||||||||
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Aletornis pernix n. sp.
Marsh 1872
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1 individual | |||||||||
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Aletornis gracilis n. sp.
Marsh 1872
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Grus marshi n. sp.
(Shufeldt 1915)
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Shufeldt 1915 | |||||||||
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Reptilia
- Pelecaniformes
- Ardeidae
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Eoceornis ardetta n. gen., n. sp.
Shufeldt 1915
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Shufeldt 1915 | 1 specimen | ||||||||
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Reptilia
- Lithornithidae
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Lithornithidae indet.
Houde 1988
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Houde 1988 | |||||||||
| YPM 883 (poorly preserved distal end of a tibiotarsus) - collected by Hunting and Chew in 1873 | ||||||||||
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Reptilia
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Crocodilus aptus
Leidy 1869
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Osborn et al. 1878 | |||||||||
| recombined as Crocodylus aptus | ||||||||||
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Thinosaurus crassus n. sp.
Marsh 1872
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Marsh 1872 | 1 specimen | ||||||||
| synonym of Saniwa ensidens | ||||||||||
| (AKA Thinosaurus crassus) YPM 610 (holotype), five dorsal vertebrae, a few fragmentary parts of vertebrae, shaft of a right humerus - "horizon C or higher" | ||||||||||
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Thinosaurus agilis n. sp.
Marsh 1872
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Marsh 1872 | 1 specimen | ||||||||
| synonym of Saniwa ensidens | ||||||||||
| (AKA Thinosaurus agilis) YPM 609 (holotype), dentary with one tooth, four vertebrae, distal femur, distal phalanx - "horizon C or higher" | ||||||||||
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Reptilia
- Anguidae
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Oreosaurus lentus n. sp.
Marsh 1872
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Marsh 1872 | 1 specimen | ||||||||
| YPM 1052 (holotype), two caudal vertebrae | ||||||||||
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Oreosaurus minutus n. sp.
Marsh 1872
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Marsh 1872 | 1 specimen | ||||||||
| YPM 1058 (holotype), anterior of dentary with 1 tooth | ||||||||||
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Oreosaurus gracilis n. sp.
Marsh 1872
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Marsh 1872 | 1 specimen | ||||||||
| YPM 1055 (holotype), anterior half of right dentary | ||||||||||
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Oreosaurus microdus n. sp.
Marsh 1872
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Marsh 1872 | 1 specimen | ||||||||
| YPM 1056 (holotype), median part of dentary, one head scute, fragment of vertebra | ||||||||||
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Glyptosaurus sphenodon n. sp.
Marsh 1872
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Marsh 1872 | 1 specimen | ||||||||
| nomen dubium belonging to Glyptosaurus | ||||||||||
| YPM 1051 (holotype), small portion of right maxilla with two complete teeth - "horizon C or higher" | ||||||||||
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Reptilia
- Teiidae
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Iguanavus exilis n. gen., n. sp.
Marsh 1872
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Marsh 1872 | 1 specimen | ||||||||
| nomen dubium belonging to Teiidae | ||||||||||
| YUM 1057 (holotype anterior caudal vertebra) | ||||||||||
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Reptilia
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Tinosaurus lepidus n. sp.
Marsh 1872
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Marsh 1872 | |||||||||
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Reptilia
- Baenidae
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Chisternon undatum
(Leidy 1871)
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Leidy 1873 | |||||||||
| An isolated vertebra, from Henry's Fork of Green River, looks as if it might be the first sacral of Chisternon undatum. | ||||||||||
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Baena undata
Leidy 1871
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Osborn et al. 1878 | |||||||||
| recombined as Chisternon undatum | ||||||||||
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Baena arenosa
Leidy 1870
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Leidy 1873 | |||||||||
| A third and less perfect specimen of the shell of Baena arenosa, consisting of the central portion of the carapace and nearly the corresponding portion with the anterior extremity of the plastron, was found by Dr. Carter on Henry's Fork of Green River, and presented by him to the Academy of Natural Sciences. A fourth specimen referable to Baeiia arenosa consists of a small portion of the carapace with a large portion of the plastron, from Henry's Fork of Green River, found by Dr. Carter, and presented by him to the Academy of Natural Sciences of Philadelphia. | ||||||||||
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Reptilia
- Testudines
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Hadrianus allabiatus
Cope 1871
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Osborn et al. 1878 | |||||||||
| nomen dubium belonging to Testudinoidea | ||||||||||
| two ungual phalanges | ||||||||||
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Reptilia
- Testudines
- Emydidae
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Emys wyomingensis
Leidy 1870
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Osborn et al. 1878 | |||||||||
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Mammalia
- Perissodactyla
- Hyrachyidae
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Hyrachyus agrarius
Leidy 1871
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Leidy 1873 | |||||||||
| synonym of Hyrachyus modestus | ||||||||||
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Mammalia
- Perissodactyla
- Equidae
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Orohippus agilis n. sp.
Marsh 1873
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Granger 1908 | |||||||||
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Mammalia
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Uintacyon vorax n. sp.
Leidy 1872
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Leidy 1873 | 1 specimen | ||||||||
| recombined as Miacis vorax | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Sweetwater |
| Coordinates: | 41.0° North, 110.2° West (view map) | ||||
| Paleocoordinates: | 43.9° North, 99.1° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2-3 | ||
| Key time interval: | Middle Eocene | ||
| Age range of interval: | 47.80000 - 37.71000 m.y. ago |
Stratigraphy
| Formation: | Bridger |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | dispersed |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Museum repositories: | YPM | ||
| Collectors: | O. C. Marsh, J. Carter | Collection dates: | 1871 |
Metadata
| Database number: | 81455 | ||
| Authorizer: | M. Uhen, E. Vlachos, A. Dunhill, J. Marcot, P. Mannion, R. Benson, P. Barrett, M. Carrano | Enterer: | M. Uhen, E. Vlachos, P. Mannion, J. Marcot, T. Cleary, M. Carrano, R. Benson, B. Allen |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2008-06-24 07:24:57 | Last modified: | 2019-11-26 15:25:27 |
| Access level: | the public | Released: | 2008-06-24 07:24:57 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 34552. | ETE | O. C. Marsh. 1872. Notice of some new Tertiary and post-Tertiary birds. The American Journal of Science and Arts, series 3 4(19-24):256-262 [M. Carrano/M. Carrano] |
Secondary references:
| 27442 | A. Feduccia and L. D. Martin. 1976. The Eocene zygodactyl birds of North America (Aves: Piciformes). Smithsonian Contributions to Paleobiology 27:101-110 [M. Uhen/M. Uhen/M. Uhen] | |
| 14538 | C. W. Gilmore. 1928. Fossil lizards of North America. Memoirs of the National Academy of Sciences 22(3):1-201 [J. Head/J. Head/M. Carrano] | |
| 1694 | W. Granger. 1908. A revision of the American Eocene horses. Bulletin of the American Museum of Natural History 24(15):221-264 [J. Alroy/J. Alroy/J. Marcot] | |
| 42880 | P. W. Houde. 1988. Paleognathous birds from the Early Tertiary of the Northern Hemisphere. Publications of the Nuttall Ornithological Club 22:1-148 [P. Mannion/P. Mannion] | |
| 11982 | J. Leidy. 1873. Part I. Contributions to the extinct vertebrate fauna of the western territories. In F. V. Hayden (ed.), Report of the United States Geological Survey of the Territories 1:1-358 [M. Uhen/M. Uhen/M. Carrano] | |
| 69854 | O. C. Marsh. 1872. Preliminary description of new Tertiary reptiles. Part I and Part II. The American Journal of Science, series 3 4(22):298-309 [M. Carrano/M. Carrano/M. Carrano] | |
| 53285 | H. F. Osborn, W. B. Scott, and F. Speir. 1878. Palaeontological Report of the Princeton Scientific Expedition of 1877. Contributions from the Museum of Geology and Archæology of Princeton College 1:1-146 [J. Marcot/J. Marcot] | |
| 57738 | R. W. Shufeldt. 1915. Fossil birds in the Marsh Collection of Yale University. Transactions of the Connecticut Academy of Arts and Sciences 19:1-110 [M. Uhen/M. Uhen/M. Carrano] |