Huerfano VIII: Wasatchian, Colorado
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Anguidae
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Eoglyptosaurus donohoei
(White 1952)
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Sullivan 1979 | 1 specimen | ||||||||
| AMNH 7431, complete skull | ||||||||||
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= Proglyptosaurus huerfanensis n. gen., n. sp.
Sullivan 1989
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Sullivan 1989 | |||||||||
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Glyptosaurus sylvestris
Marsh 1871
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Sullivan 1979 | 1 specimen | ||||||||
| AMNH 7590, complete right frontal, parietal, right jugal, posterior part of right ramus and part of left surangular, body and cephalic osteoderms and unidentified bone fragments. From "Simpson's Quarry, near Gardner... 1952"- most likely Castillo Pocket, discovered at this time | ||||||||||
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Mammalia
- Leptictidae
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Palaeictops bicuspis
(Cope 1880)
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Mammalia
- Coryphodontidae
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Coryphodon sp.
(Owen 1845)
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| original and current combination Lophiodon (Coryphodon) | ||||||||||
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Mammalia
- Esthonychidae
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Esthonyx acutidens
Cope 1881
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Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus wortmani
Osborn 1902
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| OK according to Redline 1997 | ||||||||||
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Mammalia
- Viverravidae
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Didymictis protenus
(Cope 1874)
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= Didymictis sp.
Cope 1875
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Alroy 2002 | |||||||||
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Mammalia
- Perissodactyla
- Equidae
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Hyracotherium craspedotum
Cope 1880
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| (6 measurements) | ||||||||||
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= Xenicohippus osborni
Bown and Kihm 1981
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Froehlich 1999 | |||||||||
| "X. sp." of Gingerich 1991b: "H. tapirinum" of Gingerich 1981 | ||||||||||
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Hyracotherium vasacciense
(Cope 1872)
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| "Hyracotherium vasacciense vasacciense": i.d. repeated by Gingerich 1981 | ||||||||||
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= Eohippus angustidens
Cope 1875
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Froehlich 2002 | |||||||||
| "There are complete cranial and partial postcranial remains of this taxon from the Eohippus quarry of the lower Huerfano Formation (it is the smaller of the two recovered taxa)." | ||||||||||
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Mammalia
- Diacodexeidae
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Diacodexis kelleyi
Krishtalka and Stucky 1985
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Krishtalka and Stucky 1985 | |||||||||
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Mammalia
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Talpavus cf. nitidus
Marsh 1872
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= Talpavus sp.
Marsh 1872
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Guthrie 1971 | |||||||||
| "may belong to T. sullivani" | ||||||||||
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Mammalia
- Rodentia
- Ischyromyidae
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Leptotomus costilloi n. sp.
Wood 1962
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| recombined as Notoparamys costilloi | ||||||||||
| ref 6294: see Wood 1962 (4 measurements) | ||||||||||
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Mammalia
- Primates
- Microsyopidae
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Cynodontomys knightensis
Gazin 1952
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= Microsyops latidens
Cope 1882
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Gunnell 1989 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Colorado | County: | Huerfano |
| Coordinates: | 37.8° North, 105.1° West (view map) | ||||
| Paleocoordinates: | 42.2° North, 89.4° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| *Period: | Tertiary | ||
| Key time interval: | Wasatchian | ||
| Age range of interval: | 54.90000 - 50.50000 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:originally Lysitean, Lostcabinian in Gingerich 1981 | |
Metadata
| Also known as: | Costillo Pocket; Castillo Pocket; Eohippus Quarry; Simpson's Quarry | ||
| Database number: | 15652 | ||
| Authorizer: | J. Alroy, J. Marcot, P. Barrett, P. Holroyd | Enterer: | J. Alroy, P. Holroyd, T. Cleary, J. Marcot |
| Modifier: | T. Cleary | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2016-09-19 11:11:31 |
| 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] | |
| 1552 | D. J. Froehlich. 1999. Phylogenetic systematics of basal perissodactyls. Journal of Vertebrate Paleontology 19(1):140-159 [J. Alroy/J. Alroy/J. Alroy] | |
| 53105 | D. J. Froehlich. 2002. Quo vadis Eohippus? The systematics and taxonomy of the early Eocene equids (Perissodactyla). Zoological Journal of the Linnean Society 134:141-256 [M. Carrano/M. Carrano/M. Carrano] | |
| 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] | |
| 1761 | D. A. Guthrie. 1971. The Mammalian Fauna of the Lost Cabin Member, Wind River Formation (lower Eocene) of Wyoming. Annals of Carnegie Museum 43(4):47-113 [J. Alroy/J. Alroy/J. Marcot] | |
| 2183 | L. Krishtalka and R. K. Stucky. 1985. Revision of the Eocene Wind River Faunas, Early Eocene of Central Wyoming. Part 7. Revision of Diacodexis (Mammalian, Artiodactyla). Annals of Carnegie Museum 54(14):413-486 [J. Alroy/J. Alroy/J. Marcot] | |
| 60385 | R. M. Sullivan. 1979. Revision of the Paleogene genus Glyptosaurus (Reptilia, Anguidae). Bulletin of the American Museum of Natural History 163(1):1-72 [P. Barrett/T. Cleary] | |
| 87099 | R. M. Sullivan. 1989. Proglyptosaurus huerfanensis, new genus, new species: glyptosaurine lizard (Squamata: Anguidae) from the early Eocene of Colorado. American Museum Novitates (2949)1-8 [P. Holroyd/P. Holroyd] |