South Pass (Lostcabinian): Wasatchian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Primates
- Notharctidae
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Notharctus venticolus
Osborn 1902
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Cantius nunienus
(Cope 1881)
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Mammalia
- Primates
- Microsyopidae
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Microsyops knightensis
(Gazin 1952)
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Mammalia
- Primates
- Omomyidae
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Absarokius sp.
Matthew 1915
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= Artimonius nocerai
Robinson 1966
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Muldoon and Gunnell 2002 | |||||||||
| SP-74, 75, 135 | ||||||||||
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Loveina sp.
Simpson 1940
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Mammalia
- Rodentia
- Sciuravidae
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Sciuravidae indet.
Miller and Gidley 1918
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Mammalia
- Rodentia
- Ischyromyidae
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Paramys sp.
Leidy 1871
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Microparamys sp.
Wood 1959
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Mammalia
- Creodonta
- Hyaenodontidae
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Prototomus sp.
Cope 1874
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Mammalia
- Creodonta
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Prolimnocyon sp.
Matthew and Granger 1915
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Mammalia
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Vulpavus cf. australis
Matthew and Granger 1915
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Mammalia
- Viverravidae
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Viverravus sp.
Marsh 1872
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Mammalia
- Epoicotheriidae
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Epoicotheriidae indet.
Simpson 1927
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Mammalia
- Acreodi
- Hapalodectidae
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Hapalodectes sp.
Matthew 1909
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Mammalia
- Perissodactyla
- Palaeotheriidae
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Hyracotherium sp.
Owen 1841
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Mammalia
- Perissodactyla
- Brontotheriidae
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Lambdotherium popoagicum
Cope 1880
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Mammalia
- Homacodontidae
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Hexacodus sp.
Gazin 1952
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Mammalia
- Diacodexeidae
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Bunophorus cf. sinclairi
Guthrie 1966
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Diacodexis sp.
Cope 1882
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Mammalia
- Pantolestidae
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Pantolestidae indet.
Cope 1884
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Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus sp.
Leidy 1870
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Mammalia
- Apatemyidae
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Apatemys sp.
Marsh 1872
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Mammalia
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Peratherium sp.
Aymard 1850
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= Herpetotheriinae indet.
Trouessart 1879
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Alroy 2002 | |||||||||
| spelled with current rank as Herpetotheriidae | ||||||||||
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Peradectes sp.
Matthew and Granger 1921
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Reptilia
- Testudines
- Trionychidae
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Trionychidae indet.
Gray 1825
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Reptilia
- Testudines
- Emydidae
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Emydidae indet.
Rafinesque 1815
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Reptilia
- Xantusiidae
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Palaeoxantusia sp.
Hecht 1956
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| xantusiid lizard | ||||||||||
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Reptilia
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Restes rugosus
Gauthier 1982
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| xenosaurid lizard | ||||||||||
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Reptilia
- Anguidae
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Glyptosaurinae indet.
Marsh 1872
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| "large" | ||||||||||
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Xestops vagans
(Marsh 1872)
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| original and current combination Oreosaurus vagans | ||||||||||
| anguid lizard | ||||||||||
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Glyptosaurus sylvestris
Marsh 1871
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| anguid lizard | ||||||||||
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Reptilia
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"Diplocynodon" sp.
Pomel 1847
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| ? caimanid | ||||||||||
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Procaimanoidea sp.
Gilmore 1946
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| alligatorid | ||||||||||
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Reptilia
- Crocodylidae
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Crocodylidae indet.
Cuvier 1807
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Reptilia
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Pristichampsus vorax
(Troxell 1925)
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| recombined as Boverisuchus vorax | ||||||||||
| ? crocodylid | ||||||||||
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unclassified
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Scenopagus sp.
McKenna and Simpson 1959
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Fremont |
| Coordinates: | 42.4° North, 108.9° West (view map) | ||||
| Paleocoordinates: | 47.2° North, 92.3° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | local area |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| *Period: | Early/Lower Tertiary | *Epoch: | Early/Lower Eocene | *Local age/stage: | Late/Upper Wasatchian |
| Key time interval: | Wasatchian | Zone: | Lostcabinian |
| Age range of interval: | 54.90000 - 50.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Wasatch | Member: | Main Body | ||
| Local section: | South Pass | Local bed: | 1 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Clyde et al. 2001 took paleomagnetic samples through this part of the section but they were too poorly preserved to analyze | |||||
Lithology and environment
| Primary lithology: | brown "shale" |
| Lithology description: "thick brown paper shales" | |
| Environment: | fluvial-lacustrine indet. |
| Geology comments: fossils are from "channel lags, sheet wash concentrations, and along ancient lake 'strand lines'" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Also known as: | The Pinnacles | ||
| Database number: | 27268 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 2002-11-26 19:55:21 | Last modified: | 2007-11-16 19:33:12 |
| Access level: | the public | Released: | 2002-11-26 19:55:21 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 7542. | G. F. Gunnell and W. S. Bartels. 2001. Basin margins, biodiversity, evolutionary innovation, and the origin of new taxa. Eocene biodiversity: unusual occurrences and rarely sampled habitats (G. F. Gunnell, ed.) 403-432 [J. Alroy/J. Alroy/J. Alroy] |