Arroyo de la Parida: Blancan, New Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines - Testudinidae
Hesperotestudo sp. (Williams 1950)
Sealey et al. 2001
Mammalia - Megalonychidae
Megalonyx cf. leptostomus Cope 1893
Lucas et al. 2000
Mammalia - Proboscidea - Gomphotheriidae
Stegomastodon sp. Pohlig 1912
Mammalia - Perissodactyla - Equidae
Equus cf. scotti Gidley 1900
synonym of Equus (Hesperohippus) mexicanus
Equus cf. cumminsii Cope 1893
misspelling Equus (Asinus) cumminsi
Equus simplicidens Cope 1892
recombined as Plesippus simplicidens
present at NMMNH 3310, 1.6 km NW of Rhynchotherium site: Lucas and Morgan 1996
Mammalia - Camelidae
Camelops sp. Leidy 1854
Lucas et al. 2000
Hemiauchenia sp. Gervais and Ameghino 1880
Lucas et al. 2000
Mammalia - Antilocapridae
cf. Capromeryx sp. Matthew 1902
see common names

Geography
Country:United States State/province:New Mexico County:Socorro
Coordinates: 34.0° North, 107.0° West (view map)
Paleocoordinates:34.1° North, 106.4° West
Basis of coordinate:based on political unit
Time
10 m.y. bin:Cenozoic 6
*Period:Tertiary *Epoch:Pliocene
Key time interval:Blancan
Age range of interval:4.90000 - 1.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Palomas
Local section:ArrLP Local bed:1
Local order:bottom to top
Stratigraphy comments: "derived from a >70-m-thick succession of sand and gravel" and "medial Blancan" (Sealey et al. 2001)
Lithology and environment
Primary lithology: sandstone
Secondary lithology: conglomerate
Environment:fluvial indet.
Geology comments: "axial-river... facies" (Sealey et al. 2001)
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:40 m lower stratigraphically than Rhynchotherium material: Lucas et al. 2000
said by Tedford to be in the Sierra Ladrones Fm., but by Lucas et al. to be in the Palomas Fm.
see also Lucas and Morgan 1996
"Rhynchotherium sp." is from the Arroyo de la Parida Rhynchotherium Site: Lucas and Morgan 1996, Lucas et al. 2000
Metadata
Database number:19968
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2007-03-17 20:32:18
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3378. R. H. Tedford. 1981. Mammalian biochronology of the late Cenozoic basins of New Mexico. Geological Society America Bulletin 92 [J. Alroy/J. Alroy/J. Ju]

Secondary references:

745 S. G. Lucas, A. B. Heckert, and A. P. Hunt. 2000. Probably turtle from the Upper Triassic of east-central New Mexico. Neues Jahrbuch für Geologie und Paläontologie Monatshefte 2000(5):287-300 [J. Alroy/M. Sommers/M. Uhen]
23538 P. L. Sealey, G. S. Morgan, S. G. Lucas, S. D. Connell, D. W. Love and P. B. Jackson-Paul. 2001. The medial Blancan (late Pliocene) Arroyo de la Parida local fauna, Socorro County, New Mexico. Abstracts with Programs - Geological Society of America 33(5):56 [J. Alroy/J. Alroy]