Flagstaff Rim II: 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
- Anguidae
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Helodermoides tuberculatus
Douglass 1903
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Sullivan 1979 | 2 specimens | ||||||||
AMNH Frick collection no. 9166, disarticulated skull and skeleton; USNM 214735, crushed right maxilla and dentary, fragments of skull and osteoderms | ||||||||||
cf. Helodermoides tuberculatus
Douglass 1903
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Sullivan 1979 | 3 specimens | ||||||||
USNM 215096, body osteoderm; 215137, cephalic and body osteoderms; 244220, partial skull | ||||||||||
Mammalia
- Apatemyidae
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Sinclairella sp.
Jepsen 1934
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Emry 1992 | |||||||||
Mammalia
- Chiroptera
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Chiroptera indet.
Blumenbach 1779
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Emry 1992 | |||||||||
a bat | ||||||||||
Mammalia
- Pholidota
- Patriomanidae
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Patriomanis americanus
Emry 1970
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Emry 1992 | |||||||||
corrected as Patriomanis americana | ||||||||||
Mammalia
- Epoicotheriidae
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Epoicotherium cf. unicum
(Douglass 1905)
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Emry 1992 | |||||||||
Mammalia
- Creodonta
- Hyaenodontidae
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Hyaenodon vetus
Stock 1933
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Emry 1992 | |||||||||
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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Emry 1992 | |||||||||
Mammalia
- Carnivora
- Ursidae
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? Parictis sp.
Scott 1893
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= Subparictis parvus
Clark and Beerbower 1967
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Baskin and Tedford 1996 | |||||||||
original and current combination Parictis parvus | ||||||||||
Mammalia
- Carnivora
- Canidae
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Hesperocyon sp.
Scott 1890
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"ref 6294: not documented as H. gregarius by Wang 1994" | ||||||||||
= Hesperocyon paterculus
Matthew 1903
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Emry 1992 | |||||||||
synonym of Hesperocyon gregarius | ||||||||||
Mammalia
- Perissodactyla
- Equidae
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Mesohippus sp.
Marsh 1875
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Emry 1992 | |||||||||
= Equidae indet.
Gray 1821
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Alroy 2002 | |||||||||
Mammalia
- Perissodactyla
- Rhinocerotidae
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? Trigonias sp.
Lucas 1900
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Emry 1992 | |||||||||
Caenopus dakotensis
Peterson 1920
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Emry 1992 | |||||||||
recombined as Penetrigonias dakotensis | ||||||||||
Mammalia
- Perissodactyla
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Toxotherium hunteri
Wood 1961
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Mammalia
- Perissodactyla
- Hyracodontidae
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Hyracodon sp.
Leidy 1856
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see also Prothero 1996e | ||||||||||
= Hyracodon cf. priscidens
Lambe 1905
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Emry 1992 | |||||||||
Mammalia
- Perissodactyla
- Brontotheriidae
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Brontotheriidae indet.
(Marsh 1873)
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Emry 1992 | |||||||||
Mammalia
- Oromerycidae
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Eotylopus reedi
Matthew 1910
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Emry 1992 | |||||||||
Mammalia
- Camelidae
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Poebrotherium sp.
Leidy 1847
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Mammalia
- Merycoidodontidae
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Bathygenys sp.
Douglass 1902
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Emry 1992 | |||||||||
Merycoidodon sp.
Leidy 1848
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= Merycoidodon lewisi
Clark and Beerbower 1967
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Emry 1992 | |||||||||
= Merycoidodon culbertsoni
Leidy 1848
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Alroy 2002 | |||||||||
original and current combination Merycoidodon culbertsonii | ||||||||||
Mammalia
- Protoceratidae
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Leptotragulus profectus
Matthew 1903
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Emry 1992 | |||||||||
recombined as Trigenicus profectus | ||||||||||
Mammalia
- Hypisodontidae
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Hypisodus sp.
Cope 1873
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Mammalia
- Praetragulidae
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Parvitragulus priscus
Emry 1978
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Emry 1992 | |||||||||
Mammalia
- Leptomerycidae
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Leptomeryx sp.
Leidy 1853
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"D" | ||||||||||
= Leptomeryx mammifer
Cope 1885
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Emry 1992 | |||||||||
confirmed by Heaton and Emry 1996 | ||||||||||
Leptomeryx sp.
Leidy 1853
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"B" | ||||||||||
= Leptomeryx speciosus
Lambe 1908
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Emry 1992 | |||||||||
confirmed by Heaton and Emry 1996 | ||||||||||
Mammalia
- Agriochoeridae
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Agriochoerus sp.
Leidy 1850
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said to be new | ||||||||||
Mammalia
- Leptochoeridae
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Stibarus sp.
Cope 1873
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Emry 1992 | |||||||||
Mammalia
- Geolabididae
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Centetodon chadronensis
Lillegraven et al. 1981
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Emry 1992 | |||||||||
Mammalia
- Oligoryctidae
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Oligoryctes cf. altitalonidus
(Clark 1936)
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= Oligoryctes altitalonidus
Clark 1936
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Alroy 2002 | |||||||||
Mammalia
- Rodentia
- Sciuridae
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Protosciurus sp.
Black 1963
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see also Emry and Thorington 1984 | ||||||||||
= ? Protosciurus jeffersoni
Douglass 1902
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Emry 1992 | |||||||||
= Douglassciurus jeffersoni
Douglass 1902
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Alroy 2002 | |||||||||
Mammalia
- Rodentia
- Ischyromyidae
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Ischyromys sp.
Leidy 1856
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"or Titanotheriomys" | ||||||||||
= Ischyromys veterior
Matthew 1903
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Alroy 2002 | |||||||||
Mammalia
- Rodentia
- Eutypomyidae
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Eutypomys sp.
Matthew 1905
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Emry 1992 | |||||||||
= Eutypomyidae indet.
Miller and Gidley 1918
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Alroy 2002 | |||||||||
= Eutypomys parvus
Lambe 1908
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Emry and Korth 2012 | |||||||||
Mammalia
- Rodentia
- Heliscomyidae
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Heliscomys sp.
Cope 1873
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Little Lone Tree Gulch | ||||||||||
= Heliscomys ostranderi
Korth et al. 1991
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Korth et al. 1991 | |||||||||
Mammalia
- Rodentia
- Eomyidae
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Aulolithomys vexilliames
Korth and Emry 1997
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Emry and Korth 2012 | |||||||||
B Minus 44’ Quarry | ||||||||||
Aulolithomys sp.
Black 1965
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= Aulolithomys bounites
Black 1965
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Emry 1992 | |||||||||
Metanoiamys paradoxus
Emry and Korth 2012
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Emry and Korth 2012 | |||||||||
B Minus 44’ Quarry; possibly type locality | ||||||||||
cf. Yoderimys sp.
Wood 1955
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(3 measurements) | ||||||||||
= Zemiodontomys burkei
Black 1965
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Alroy 2002 | |||||||||
described by Emry and Korth 1993; B Minus 44' Quarry | ||||||||||
Adjidaumo sp.
Hay 1899
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= Adjidaumo cf. minimus
Matthew 1903
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Emry 1992 | |||||||||
= Adjidaumo minimus
Matthew 1903
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Emry and Korth 2012 | |||||||||
? Namatomys sp.
Black 1965
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= Namatomys lloydi
Black 1965
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Emry 1992 | |||||||||
this is the "true" Namatomys" | ||||||||||
Paradjidaumo sp.
Burke 1934
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= Paradjidaumo cf. trilophus
Cope 1873
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Emry 1992 | |||||||||
= Paradjidaumo hansonorum
Russell 1972
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Emry and Korth 2013 | |||||||||
Protadjidaumo burkei
Russell 1954
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Emry 1992 | |||||||||
= Adjidaumo ? burkei
Russell 1954
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Alroy 2002 | |||||||||
= Paradjidaumo hansonorum
Russell 1972
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Emry and Korth 2013 | |||||||||
Mammalia
- Rodentia
- Sciuravidae
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? Pauromys sp.
Troxell 1923
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Emry 1992 | |||||||||
Mammalia
- Rodentia
- Cylindrodontidae
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Cylindrodon sp.
Douglass 1902
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= Cylindrodon fontis
Douglass 1902
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Emry 1992 | |||||||||
= Cylindrodon natronensis
Emry and Korth 1996
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Emry and Korth 1996 | |||||||||
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 | |||||||||
Mammalia
- Multituberculata
- Neoplagiaulacidae
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Ectypodus lovei
(Sloan 1966)
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Emry 1992 | |||||||||
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: | outcrop |
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: | 2 |
Local order: | bottom to top | ||
Stratigraphic resolution: | member |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Collection methods: | selective quarrying,field collection |
Reason for describing collection: | taxonomic analysis |
Taxonomic list comments:25-54 m, below Ash B includes Little Lone Tree Gulch assemblage of Emry 1979 from "44 feet below Ash B" = B Minus 44' Quarry following species are listed in Emry 1979 but not in Emry pers. comm.: cf. "Ictops" acutidens (apparently = "Frictops emryi") Apternodus sp. - not altitalonidus Heliscomys sp. Palaeolagus sp. |
Metadata
Also known as: | Little Lone Tree Gulch; "44 feet below Ash B" = B Minus 44' Quarry | ||
Database number: | 16961 | ||
Authorizer: | J. Alroy, P. Barrett, J. Marcot, P. Holroyd | Enterer: | J. Alroy, T. Cleary, P. Holroyd, J. Marcot |
Modifier: | J. Alroy | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2004-03-23 17:09:00 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1437. | R. J. Emry. 1979. Review of Toxotherium (Perissodactyla: Rhinocerotoidea) with new material from the early Oligocene of Wyoming. Proceedings of the Biological Society of Washington 92(1):28-41 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
1034 | J. A. Baskin and R. H. Tedford. 1996. Small Arctoid and Feliform Carnivorans. In D. R. Prothero and R. M. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 486-497 [J. Alroy/J. Alroy/J. Marcot] | |
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] | |
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] | |
57381 | R. J. Emry and W. W. Korth. 2012. Early Chadronian (late Eocene) rodents from the Flagstaff Rim area, central Wyoming. Journal of Vertebrate Paleontology 32(2):419-432 [J. Marcot/J. Marcot] | |
87100 | R. J. Emry and W. W. Korth. 2013. The eomyid rodent Paradjidaumo Burke from the late Eocene White River Formation, Flagstaff Rim area, Wyoming. Proceedings of the Biological Society of Washington 126(2):178-186 [P. Holroyd/P. Holroyd] | |
2153 | W. W. Korth, J. H. Wahlert, and R. J. Emry. 1991. A New Species of Heliscomys and Recognition of the Family Heliscomyidae (Geomyoidea: Rodentia). Journal of Vertebrate Paleontology 11(2):247-256 [J. Alroy/J. Alroy/J. Marcot] | |
6324 | M. J. Novacek. 2000. Personal communication regarding leptictid identifications. [J. Alroy/J. Alroy/J. Alroy] | |
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] |