Bone Cove: Chadronian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Leptictis acutidens (Douglass 1902)
    = informal Novacek leptictid acutidens
Alroy 2002
Reptilia - Anguidae
Glyptosaurus sp. Marsh 1871
Mammalia - Chiroptera
Chiroptera indet. Blumenbach 1779
a bat
Mammalia - Carnivora - Amphicyonidae
? Daphoenus sp. Leidy 1853
Mammalia - Carnivora - Canidae
Hesperocyon sp. Scott 1890
Mammalia - Perissodactyla - Equidae
Mesohippus sp. Marsh 1875
    = Equidae indet. Gray 1821
Alroy 2002
Mammalia - Perissodactyla - Hyracodontidae
Hyracodon nebraskensis (Leidy 1850)
probably OK because Ostrander also recognizes H. priscidens
Mammalia - Perissodactyla - Brontotheriidae
Brontotheriidae indet. (Marsh 1873)
Mammalia - Merycoidodontidae
Merycoidodon sp. Leidy 1848
Mammalia - Entelodontidae
Archaeotherium sp. Leidy 1850
Mammalia - Hypisodontidae
Hypisodus minimus (Cope 1873)
Mammalia - Leptomerycidae
Leptomeryx sp. Leidy 1853
Mammalia - Soricidae
Domnina gradata Cope 1873
Mammalia - Geolabididae
Centetodon chadronensis Lillegraven et al. 1981
Mammalia - Micropternodontidae
Micropternodus montrosensis Ostrander 1983
Micropternodus borealis Matthew 1903
Mammalia - Oligoryctidae
Oligoryctes cameronensis Hough 1956
Mammalia - Rodentia - Aplodontidae
Prosciurus vetustus (Matthew 1903)
original and current combination Sciurus (Prosciurus) vetustus
Mammalia - Rodentia - Sciuridae
Protosciurus jeffersoni (Douglass 1902)
recombined as Douglassciurus jeffersoni
Mammalia - Rodentia - Ischyromyidae
Ischyromys veterior Matthew 1903
Mammalia - Rodentia - Eutypomyidae
Eutypomys sp. Matthew 1905
    = Eutypomyidae indet. Miller and Gidley 1918
Alroy 2002
Mammalia - Rodentia - Eomyidae
Eomyidae indet. Winge 1887
Centimanomys major Galbreath 1955
Yoderimys burkei Black 1965
recombined as Zemiodontomys burkei
Paradjidaumo trilophus (Cope 1873)
recombined as Adjidaumo trilophus
Adjidaumo minutus (Cope 1873)
Adjidaumo minimus (Matthew 1903)
Mammalia - Rodentia - Cylindrodontidae
Pseudocylindrodon neglectus Burke 1935
Cylindrodon fontis Douglass 1902
    = Cylindrodon sp. Douglass 1902
Alroy 2002
see discussion of this species by Emry and Korth 1996a
Mammalia - Lagomorpha - Leporidae
Palaeolagus temnodon Douglass 1902
Mammalia
Peratherium fugax (Cope 1873)
corrected as Herpetotherium fugax
see common names

Geography
Country:United States State/province:Nebraska County:Sioux
Coordinates: 42.4° North, 103.8° West (view map)
Paleocoordinates:43.8° North, 95.1° 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:37.20000 - 33.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Chadron Member:Big Cottonwood Creek
Local section:PineR Local bed:1
Local order:bottom to top
Stratigraphy comments: member assignment based on LaGarry pers. commun. 19 May 2005
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:NE 1/4 sec 26 T33N R53W
Metadata
Database number:16917
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2005-05-19 12:54:52
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2716. G. E. Ostrander. 1985. Correlation of the early Oligocene (Chadronian) in northwestern Nebraska. Dakoterra 2(2):205-231 [J. Alroy/J. Alroy/P. Holroyd]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
34267 J. Peng, H. Feng, X. Fu and Y. Zhao Yao. 2010. New bradoriid arthropods from the Early Cambrian Balang Formation of eastern Guizhou, south China. Acta Geologica Sinica 84(1):56-68 [W. Kiessling/U. Merkel/J. Alroy]