Huerfano I: Bridgerian, Colorado
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Anguidae
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Glyptosaurus hillsi n. sp.
Gilmore 1928
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Gilmore 1928 | 2 specimens | ||||||||
| synonym of Glyptosaurus sylvestris | ||||||||||
| USNM 6004 (holotype), greater portion of top of skull, both maxillae with teeth, both quadrates, anterior portions of both jugals, greater portion of right ramus and portions of left; USNM 10606, parietal, skull fragments, numerous quadrangular dermal scutes - "variegated beds about 35 to 40 feet below ash beds" | ||||||||||
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Mammalia
- Esthonychidae
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Trogosus grangeri
Gazin 1953
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Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus wortmani
Osborn 1902
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= Hyopsodus paulus
Leidy 1870
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Redline 1997 | |||||||||
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Mammalia
- Viverravidae
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Viverravus sicarius
Matthew 1909
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Didymictis vancleveae
Robinson 1966
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Mammalia
- Perissodactyla
- Palaeotheriidae
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Hyracotherium vasacciense
(Cope 1872)
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| "Hyracotherium vasacciense vasacciense": | ||||||||||
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Mammalia
- Perissodactyla
- Brontotheriidae
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Palaeosyops fontinalis
Cope 1873
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Eometarhinus huerfanensis n. gen., n. sp.
Osborn 1919
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Osborn 1916 | |||||||||
| synonym of Palaeosyops fontinalis | ||||||||||
| AMNH 17103; Huerfano-Muddy Divide, three miles west of Gardner, Huerfano basin, Colorado. | ||||||||||
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Mammalia
- Perissodactyla
- Hyrachyidae
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Hyrachyus modestus
(Leidy 1870)
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Mammalia
- Perissodactyla
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Helaletes cf. nanus
(Marsh 1871)
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Mammalia
- Rodentia
- Ischyromyidae
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Paramys excavatus
Loomis 1907
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= Thisbemys perditus
Wood 1962
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Korth 1984 | |||||||||
| "Paramys excavatus gardneri": | ||||||||||
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Mammalia
- Primates
- Notharctidae
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Smilodectes gracilis
(Marsh 1871)
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Gingerich 1979 | |||||||||
| probably includes "Notharctus nunienus" | ||||||||||
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Mammalia
- Primates
- Omomyidae
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Absarokius noctivagus
Matthew 1915
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| "Absarokius noctivagus nocerai" | ||||||||||
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= Strigorhysis huerfanensis n. sp.
Bown and Rose 1987
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Bown and Rose 1987 | |||||||||
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Mammalia
- Primates
- Microsyopidae
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Cynodontomys knightensis
Gazin 1952
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= Microsyops cf. scottianus
Cope 1881
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Gunnell 1989 | |||||||||
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Microsyops lundeliusi
(White 1952)
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= Megadelphus lundeliusi
White 1952
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Alroy 2002 | |||||||||
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Mammalia
- Dinocerata
- Uintatheriidae
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Bathyopsis sp.
Cope 1881
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Colorado | County: | Huerfano |
| Coordinates: | 37.8° North, 105.1° West (view map) | ||||
| Paleocoordinates: | 41.3° North, 91.8° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2 | ||
| *Period: | Tertiary | ||
| Key time interval: | Bridgerian | ||
| Age range of interval: | 50.50000 - 46.20000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:Gardnerbuttean; "Most specimens are from below the white bed (unit 20 of measured section)" | |
Metadata
| Also known as: | Huerfano Muddy Divide, Muddy Fork | ||
| Database number: | 16239 | ||
| Authorizer: | J. Alroy, J. Marcot, P. Barrett | Enterer: | J. Alroy, J. Marcot, T. Cleary |
| Modifier: | T. Cleary | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2016-07-07 11:38:25 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 2921. | P. Robinson. 1966. Fossil Mammalia of the Huerfano Formation, Eocene, of Colorado. Peabody Museum of Natural History Bulletin 21:1-95 [J. Alroy/J. Alroy/J. Marcot] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 1123 | T. M. Bown and K. D. Rose. 1987. Patterns of Dental Evolution in Early Eocene Anaptomorphine Primates (Omomyidae) from the Bighorn Basin, Wyoming. Paleontological Society Memoir 23:1-162 [J. Alroy/J. Alroy/J. Ju] | |
| 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] | |
| 1638 | P. D. Gingerich. 1979. Phylogeny of middle Eocene Adapidae (Mammalia, Primates) in North America: Smilodectes and Notharctus. Journal of Paleontology 53(1):153-163 [J. Alroy/J. Alroy/J. Alroy] | |
| 1730 | G. F. Gunnell. 1989. Evolutionary History of Microsyopoidea (Mammalia, ?Primates) and the Relationship Between Plesiadapiformes and Primates. University of Michigan Papers on Paleontology 27:1-157 [J. Alroy/J. Alroy/P. Mannion] | |
| 2105 | W. W. Korth. 1984. Earliest Tertiary evolution and radiation of rodents in North America. Bulletin of Carnegie Museum of Natural History 24:1-71 [J. Alroy/J. Alroy/J. Marcot] | |
| 2701 | H. F. Osborn. 1916. Two new Oligocene titanotheres. Bulletin of the American Museum of Natural History 35(40):1-4 [J. Alroy/J. Alroy/J. Ju] | |
| 6223 | A. D. Redline. 1997. Revision of the Wind River faunas, early Eocene of central Wyoming. Part 13. Systematics and phylogenetic pattern of early Eocene Hyopsodus (Mammalia: Condylarthra). Annals of Carnegie Museum 66(1):1-81 [J. Alroy/J. Alroy/J. Alroy] |