Sandy Creek: Bridgerian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
Hybemys arenarius n. gen., n. sp. Leidy 1871
Leidy 1871
nomen dubium belonging to Testudinoidea
ANSP indet. (holotype), a peripheral plate
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
Leidy 1873
Another fragment of a costal plate, from Little Sandy Creek, is represented in Fig. 12 of the same plate. This specimen differs from the former in being crossed by widely separated ridges, with the intervals finely pitted.
Amyda aequa Hay 1908
Hay 1908 1 specimen
recombined as Trionyx aequa
AMNH 3938 (carapace), collected by Messrs. Granger and Sinclair, in 1905 from the mouth of Big Sandy Creek
Mammalia - Dinocerata - Uintatheriidae
Bathyopsis middleswarti n. sp. Wheeler 1961
    = Bathyopsis fissidens Cope 1881
Alroy 2002
see common names

Geography
Country:United States State/province:Wyoming County:Uinta
Coordinates: 41.2° North, 110.5° West (view map)
Paleocoordinates:45.2° North, 96.8° West
Basis of coordinate:based on political unit
Time
Period:Paleogene Epoch:Eocene
10 m.y. bin:Cenozoic 2
*Period:Tertiary
Key time interval:Bridgerian
Age range of interval:50.30000 - 46.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Bridger Member:lower
Local section:Bridg Local bed:4
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Metadata
Database number:16410
Authorizer:J. Alroy, R. Benson, E. Vlachos Enterer:J. Alroy, R. Benson, E. Vlachos
Research group:vertebrate
Created:1995-03-26 00:00:00 Last modified:2002-06-03 03:27:41
Access level:the public Released:1995-03-26 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

1623. C. L. Gazin. 1976. Mammalian Faunal Zones of the Bridger Middle Eocene. Smithsonian Contributions to Paleobiology 26:1-25 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
14442ETE O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568 [M. Carrano/M. Carrano/M. Carrano]
64372 J. Leidy. 1871. [Remarks on extinct turtles from Wyoming territory]. Proceedings of the Academy of Natural Sciences of Philadelphia 23:102-103 [E. Vlachos/E. Vlachos]
11982 J. Leidy. 1873. Part I. Contributions to the extinct vertebrate fauna of the western territories. In F. V. Hayden (ed.), Report of the United States Geological Survey of the Territories 1:1-358 [M. Uhen/M. Uhen/M. Carrano]