Flagstaff Rim III: Chadronian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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informal Novacek leptictid acutidens
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Novacek 2000 | |||||||||
pers. commun. 16.2.00: "Frictops emryi" | ||||||||||
Mammalia
- Apatemyidae
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Sinclairella sp.
Jepsen 1934
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Mammalia
- Macroscelidea
- Amphilemuridae
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Ankylodon sp.
Patterson and McGrew 1937
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Mammalia
- Chiroptera
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Chiroptera indet.
Blumenbach 1779
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a bat | ||||||||||
Mammalia
- Pholidota
- Patriomanidae
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Patriomanis americanus
Emry 1970
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corrected as Patriomanis americana | ||||||||||
Mammalia
- Epoicotheriidae
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Epoicotherium cf. unicum
(Douglass 1905)
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Xenocranium sp.
Colbert 1942
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Mammalia
- Creodonta
- Hyaenodontidae
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Hyaenodon crucians
Leidy 1853
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Hyaenodon montanus
Douglass 1902
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Mammalia
- Carnivora
- Nimravidae
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Dinictis sp.
(Leidy 1854)
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Hoplophoneus oharrai
Jepsen 1926
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Mammalia
- Carnivora
- Amphicyonidae
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Daphoenocyon sp.
Hough 1948
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= Brachyrhynchocyon sp.
Scott and Jepsen 1936
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Alroy 2002 | |||||||||
Daphoenictis sp.
Hunt 1974
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Mammalia
- Carnivora
- Ursidae
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Parictis sp.
Scott 1893
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assigned to "Subparictis" by Baskin and Tedford 1996 | ||||||||||
Mammalia
- Carnivora
- Canidae
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Hesperocyon paterculus
(Matthew 1903)
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synonym of Hesperocyon gregarius | ||||||||||
specimens listed by Wang 1994 from "in Ash D" and 40 ft below Ash D | ||||||||||
Mammalia
- Perissodactyla
- Equidae
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Mesohippus sp.
Marsh 1875
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= Equidae indet.
Gray 1821
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Alroy 2002 | |||||||||
Mammalia
- Perissodactyla
- Rhinocerotidae
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? Subhyracodon sp.
Wood 1927
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? Trigonias sp.
Lucas 1900
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Caenopus dakotensis
Peterson 1920
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recombined as Penetrigonias dakotensis | ||||||||||
Mammalia
- Perissodactyla
- Hyracodontidae
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Hyracodon cf. priscidens
Lambe 1905
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see also Prothero 1996e | ||||||||||
Mammalia
- Perissodactyla
- Brontotheriidae
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Brontotheriidae indet.
(Marsh 1873)
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Mammalia
- Oromerycidae
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Eotylopus reedi
Matthew 1910
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Mammalia
- Camelidae
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Poebrotherium sp.
Leidy 1847
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= Poebrotherium wilsoni
Leidy 1847
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Prothero 1996 | |||||||||
Mammalia
- Merycoidodontidae
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Bathygenys alpha
Douglass 1902
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includes material of Schultz and Falkenbach 1968 from "Middle Fork, Lone Tree Gulch, 35' below ash D" and their "Megabathygenys goorisi" from 34' below Ash D, Little Lone Tree Gulch | ||||||||||
Bathygenys alpha
Douglass 1902
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= Bathygenys hedlundae
Schultz and Falkenbach 1968
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Alroy 2002 | |||||||||
original and current combination Bathygenys alpha hedlundae | ||||||||||
"Bathygenys alpha hedlundae": replaces ID of Schultz and Falkenbach 1968 from 35' below Ash D, North Fork of Lone Tree Gulch | ||||||||||
Merycoidodon forsythae
Schultz and Falkenbach 1968
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recombined as Miniochoerus forsythae | ||||||||||
Mammalia
- Entelodontidae
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Archaeotherium cf. coarctatum
(Cope 1889)
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Mammalia
- Protoceratidae
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Leptotragulus profectus
Matthew 1903
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recombined as Trigenicus profectus | ||||||||||
Mammalia
- Hypisodontidae
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Hypisodus sp.
Cope 1873
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Mammalia
- Leptomerycidae
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Leptomeryx mammifer
Cope 1885
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Leptomeryx speciosus
Lambe 1908
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Mammalia
- Leptochoeridae
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Stibarus sp.
Cope 1873
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Mammalia
- Geolabididae
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Centetodon chadronensis
Lillegraven et al. 1981
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Mammalia
- Apternodontidae
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Apternodus brevirostris
Schlaikjer 1934
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Mammalia
- Oligoryctidae
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Apternodus altitalonidus
Clark 1936
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recombined as Oligoryctes altitalonidus | ||||||||||
Mammalia
- Rodentia
- Aplodontidae
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Prosciurus vetustus
(Matthew 1903)
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original and current combination Sciurus (Prosciurus) vetustus | ||||||||||
Mammalia
- Rodentia
- Sciuridae
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? Protosciurus jeffersoni
(Douglass 1902)
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recombined as Douglassciurus jeffersoni | ||||||||||
Mammalia
- Rodentia
- Ischyromyidae
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Titanotheriomys veterior
(Matthew 1903)
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original and current combination Ischyromys veterior | ||||||||||
Mammalia
- Rodentia
- Eomyidae
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Namatomys lloydi
Black 1965
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this is the "true" Namatomys" | ||||||||||
Mammalia
- Rodentia
- Cylindrodontidae
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Cylindrodon natronensis n. sp.
Emry and Korth 1996
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Emry and Korth 1996 | |||||||||
10.7 m below Ash D in Little Lone Tree Gulch; "C. fontis" | ||||||||||
Mammalia
- Lagomorpha
- Leporidae
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Megalagus brachyodon
(Matthew 1903)
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Palaeolagus temnodon
Douglass 1902
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Chadrolagus emryi
Gawne 1978
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Mammalia
- Didelphimorphia
- Didelphidae
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Peratherium sp.
Aymard 1850
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= Didelphidae indet.
Gray 1821
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Alroy 2002 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Natrona |
Coordinates: | 43.2° North, 107.1° West (view map) | ||||
Paleocoordinates: | 44.8° North, 98.4° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
*Period: | Tertiary | ||
Key time interval: | Chadronian | ||
Age range of interval: | 37.20000 - 33.90000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | White River | ||
Local section: | WRGWY | Local bed: | 3 |
Local order: | bottom to top |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Taxonomic list comments:54-86 m, Ash B - Ash D |
Metadata
Database number: | 16962 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2002-06-03 03:27:41 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1442. | R. J. Emry. 1992. Mammalian Range Zones in the Chadronian White River Formation at Flagstaff Rim, Wyoming. In D. R. Prothero, W. A. Berggren (eds.), Eocene-Oligocene Climatic and Biotic Evolution 106-115 [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] | |
1451 | R. J. Emry and W. W. Korth. 1996. Cylindrodontidae. In D. R. Prothero, R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America [J. Alroy/J. Alroy/M. Uhen] | |
6324 | M. J. Novacek. 2000. Personal communication regarding leptictid identifications. [J. Alroy/J. Alroy/J. Alroy] | |
2805 | 5% 6280 | D. R. Prothero. 1996. Camelidae. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 609-651 [J. Alroy/J. Alroy/J. Marcot] |