Truth or Consequences: Blancan, New Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Colubridae
Masticophis ? flagellum
Reptilia - Iguanidae
Sceloporus undulatus (Bosc 1802)
Reptilia - Testudines - Kinosternoidea
Kinosternon flavescens (Agassiz 1857)
Reptilia - Testudines - Emydidae
? Terrapene ornata Agassiz 1857
Mammalia - Proboscidea - Gomphotheriidae
Stegomastodon sp. Pohlig 1912
Mammalia - Rodentia - Cricetidae
Prosigmodon sp. Jacobs and Lindsay 1981
"Prosigmodon sp. aff. Sigmodon intermedius"
Paraneotoma quadriplicatus
    = Neotoma quadriplicata Hibbard 1941
Alroy 2002
cf. Oryzomys sp. Baird 1857
Mammalia - Rodentia - Geomyidae
Geomys minor Gidley 1922
    = Nerterogeomys minor Gidley 1922
Alroy 2002
Mammalia - Lagomorpha - Leporidae
Hypolagus vetus (Kellogg 1910)
confirmed by White 1988
Notolagus lepusculus (Hibbard 1939)
confirmed by White 1988, 1991
Mammalia - Cervidae
Odocoileus brachyodontus Oelrich 1953
    = Odocoileus sp. Rafinesque 1832
Wheatley and Ruez 2003
Mammalia - Perissodactyla - Equidae
Dolichohippus sp. Heller 1912
    = Equus sp. Linnaeus 1758
Alroy 2002
see common names

Geography
Country:United States State/province:New Mexico County:Sierra
Coordinates: 33.1° North, 107.3° West (view map)
Paleocoordinates:33.2° North, 106.7° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
10 m.y. bin:Cenozoic 6
*Period:Tertiary *Epoch:Pliocene
*Local age/stage:Early/Lower Blancan
Key time interval:Blancan
Age range of interval:4.70000 - 1.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Palomas Member:lower
Stratigraphy comments: said to be early Blancan
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:from a 1.5 m thick, normally magnetized roadcut section
Tedford 1981 gives a Palomas basin list that disagrees with Repenning and May's, but seems to include additional sites such as Las Palomas Creek
Metadata
Also known as:USG M-1481
Database number:19982
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2002-06-03 03:27:44
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2876. C. A. Repenning and S. R. May. 1986. New Mexico Geological Society Guidebook 37 [J. Alroy/J. Alroy]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]