Flagstaff Rim V: 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" | ||||||||||
Reptilia
- Rhineuridae
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Spathorhynchus natronicus
Berman 1977
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Berman 1977 | |||||||||
Holotype from "South Fork of Lone Tree Guclh of the Flagstaff Rim area, SE1/4 sec. 27, T31N, R83W, Natrona Co., Wyoming, White River Formation, 30 ft. below Ash G. (see Emry, 1973, for detailed stratigraphic and locality data). Chadronian, Early Oligocene" (p.987) | ||||||||||
Reptilia
- Anguidae
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Helodermoides tuberculatus
Douglass 1903
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Sullivan 1979 | 1 specimen | ||||||||
AMNH Frick collection no. 8706, incomplete skull, jaws, and anterior trunk region with osteoderms | ||||||||||
cf. Helodermoides tuberculatus
Douglass 1903
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Sullivan 1979 | 1 specimen | ||||||||
AMNH Frick collection no. 8696, body osteoderms | ||||||||||
Mammalia
- Macroscelidea
- Amphilemuridae
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Ankylodon sp.
Patterson and McGrew 1937
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Mammalia
- Epoicotheriidae
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Epoicotherium cf. unicum
(Douglass 1905)
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Mammalia
- Creodonta
- Hyaenodontidae
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Hyaenodon montanus
Douglass 1902
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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
- 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 | |||||||||
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 10 ft above Ash F and 30 and 35 ft below Ash G | ||||||||||
Mammalia
- Carnivora
- Nimravidae
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Dinictis sp.
(Leidy 1854)
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Hoplophoneus oharrai
Jepsen 1926
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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
- Brontotheriidae
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Brontotheriidae indet.
(Marsh 1873)
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Mammalia
- Perissodactyla
- Rhinocerotidae
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? Trigonias sp.
Lucas 1900
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Mammalia
- Perissodactyla
- Hyracodontidae
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Hyracodon cf. priscidens
Lambe 1905
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Mammalia
- Entelodontidae
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Archaeotherium cf. coarctatum
(Cope 1889)
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Mammalia
- Merycoidodontidae
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Merycoidodon forsythae
Schultz and Falkenbach 1968
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recombined as Miniochoerus forsythae | ||||||||||
Megabathygenys goorisi
Schultz and Falkenbach 1968
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= Bathygenys alpha
Douglass 1902
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Schultz and Falkenbach 1968 | |||||||||
from 30' below Ash G, divide between South Fork and 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 | ||||||||||
includes type of "Bathygenys alpha hedlundae": of Schultz and Falkenbach 1968 from "25' below ash G South Fork, Lone Tree Gulch"; referred specimens from 20, 25, and 35' below Ash G, and 40' above Ash F, various Lone Tree and Blue Gulch localities; and their "Parabathygenys paralpha" type from "25' below ash G, West Fork, Blue Gulch" | ||||||||||
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
- Protoceratidae
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Pseudoprotoceras longinaris
Cook 1934
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Mammalia
- Hypisodontidae
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Hypisodus sp.
Cope 1873
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Mammalia
- Leptomerycidae
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Leptomeryx speciosus
Lambe 1908
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Leptomeryx mammifer
Cope 1885
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Mammalia
- Oromerycidae
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Eotylopus reedi
Matthew 1910
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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 gregoryi
Schlaikjer 1933
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Apternodus brevirostris
Schlaikjer 1934
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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
- Rodentia
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Meliakrouniomys skinneri
Emry 1972
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Mammalia
- Rodentia
- Cylindrodontidae
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Cylindrodon cf. nebraskensis
Hough and Alf 1956
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= Cylindrodon solarborus n. sp.
Emry and Korth 1996
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Emry and Korth 1996 | |||||||||
from 121.9 m level at South Fork of Lone Tree Gulch | ||||||||||
Mammalia
- Rodentia
- Sciuridae
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? Protosciurus jeffersoni
(Douglass 1902)
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recombined as Douglassciurus jeffersoni | ||||||||||
Mammalia
- Rodentia
- Castoridae
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Agnotocastor galushai n. sp.
Emry 1972
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see Emry 1972 | ||||||||||
Mammalia
- Rodentia
- Ischyromyidae
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Titanotheriomys veterior
(Matthew 1903)
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original and current combination Ischyromys veterior | ||||||||||
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 |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
*Period: | Tertiary | ||
Key time interval: | Chadronian | ||
Age range of interval: | 37.00000 - 33.90000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | White River | ||
Local section: | WRGWY | Local bed: | 5 |
Local order: | bottom to top |
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: | biostratigraphic analysis |
Taxonomic list comments:114-134 m, Ash F - Ash G |
Metadata
Also known as: | South Fork of Lone Tree Gulch | ||
Database number: | 16964 | ||
Authorizer: | J. Alroy, P. Barrett, C. Bell | Enterer: | J. Alroy, T. Cleary, C. Bell |
Modifier: | T. Cleary | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2016-07-22 10:14:34 |
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] | |
18264 | D. S. Berman. 1977. Spathorhynchus natronicus, a new species of rhineurid amphisbaenian (Reptilia) from the Early Oligocene of Wyoming. Journal of Paleontology 51(5):986-991 [C. Bell/C. Bell] | |
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] |
3069 | C. B. Schultz and C. H. Falkenbach. 1968. The Phylogeny of the Oreodonts. Part 1: Merycoidodontinae, Eporeodontinae, and Leptaucheniinae, Three Subfamilies Of Oreodonts, With an Appendix to the Revision Of The Merycoidodontidae, and Part 2. Summary and Conclusions Concerning the Merycoidodontidae. Bulletin of the American Museum of Natural History 139:1-498 [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] |