Chriacus Locality: Wasatchian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
- Kinosternoidea
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Baltemys staurogastros n. gen., n. sp.
Hutchison 1991
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Hutchison 1991 | |||||||||
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Mammalia
- Macroscelidea
- Amphilemuridae
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Macrocranion nitens
(Matthew 1918)
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Mammalia
- Macroscelidea
- Apheliscidae
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Apheliscus sp.
Cope 1875
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| said to be new | ||||||||||
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Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus cf. miticulus
(Cope 1874)
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= Hyopsodus sp.
Leidy 1870
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Alroy 2002 | |||||||||
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Hyopsodus cf. minor
Loomis 1905
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Mammalia
- Primates
- Omomyidae
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Absarokius abbotti
(Loomis 1906)
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| also at Y-40: Bown and Rose 1987 | ||||||||||
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Mammalia
- Primates
- Microsyopidae
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Microsyops latidens
(Cope 1882)
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Mammalia
- Primates
- Paromomyidae
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Phenacolemur sp.
Matthew 1915
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= Phenacolemurinae indet.
Simpson 1955
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Alroy 2002 | |||||||||
| said to be new | ||||||||||
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Mammalia
- Primates
- Notharctidae
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Cantius abditus
(Gingerich and Simons 1977)
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cf. Copelemur sp.
Gingerich and Simons 1977
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Mammalia
- Rodentia
- Ischyromyidae
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cf. Paramys sp.
Leidy 1871
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Mammalia
- Pantolestidae
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Palaeosinopa veterrima
Matthew 1901
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Mammalia
- Viverravidae
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Viverravus cf. acutus
Matthew and Granger 1915
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Didymictis sp.
Cope 1875
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Mammalia
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Vulpavus sp.
Marsh 1871
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Miacis cf. exiguus
Matthew and Granger 1915
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Mammalia
- Metacheiromyidae
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Palaeanodon ignavus
Matthew 1918
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Mammalia
- Creodonta
- Oxyaenidae
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Oxyaena sp.
Cope 1874
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= Oxyaenidae indet.
Cope 1877
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Alroy 2002 | |||||||||
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Mammalia
- Creodonta
- Hyaenodontidae
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Tritemnodon cf. hians
(Cope 1877)
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= Tritemnodon cf. strenuus
Cope 1875
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Alroy 2002 | |||||||||
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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
- Diacodexeidae
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Bunophorus sp.
Sinclair 1914
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Diacodexis metsiacus
(Cope 1882)
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Mammalia
- Procreodi
- Arctocyonidae
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Anacodon ursidens
Cope 1882
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Thryptacodon cf. loisi
Kelley and Wood 1954
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= Thryptacodon cf. antiquus
Matthew and Granger 1915
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Alroy 2002 | |||||||||
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Chriacus sp.
Cope 1883
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| said to be new | ||||||||||
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Mammalia
- Phenacodontidae
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Phenacodus vortmani
(Cope 1880)
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Phenacodus brachypternus
Cope 1882
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= Copecion brachypternus
Cope 1882
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Alroy 2002 | |||||||||
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Mammalia
- Perissodactyla
- Palaeotheriidae
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Hyracotherium sp.
Owen 1841
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Mammalia
- Perissodactyla
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Heptodon calciculus
(Cope 1880)
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Mammalia
- Perissodactyla
- Helaletidae
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Helaletidae indet.
Osborn 1892
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| new helaletid of Bown | ||||||||||
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Mammalia
- Esthonychidae
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Esthonyx bisulcatus
Cope 1874
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Mammalia
- Apatemyidae
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Apatemys rodens
Troxell 1923
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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
- Leptictidae
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Didelphodus absarokae
(Cope 1881)
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Big Horn |
| Coordinates: | 44.5° North, 108.0° West (view map) | ||||
| Paleocoordinates: | 49.2° North, 90.8° 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
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:placed in Schankler-Wing section by Bown et al. level given as 560 m by Bown and Rose 1987, correctly using Schankler meter level, but incorrectly as 481 m by Bown et al. | |
Metadata
| Also known as: | USGS D-1162, YPM 40 | ||
| Database number: | 15552 | ||
| Authorizer: | J. Alroy, P. Holroyd | Enterer: | J. Alroy, P. Holroyd | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2002-06-03 03:27:40 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 6214. | T. M. Bown, K. D. Rose, E. L. Simons and S. L. Wing. 1994. Distribution and stratigraphic correlation of upper Paleocene and lower Eocene fossil mammal and plant localities of the Fort Union, Willwood, and Tatman formations, southern Bighorn Basin, Wyoming. United States Geological Survey Professional Paper 1540:1-103 [J. Alroy/J. Alroy/M. Uhen] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 691 | J. H. Hutchison. 1991. Early Kinosterninae (Reptilia: Testudines) and their phylogenetic significance. Journal of Vertebrate Paleontology 11(2):145-167 [J. Alroy/J. Alroy/J. Alroy] |