Black Rascal Creek: Hemphillian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Megalonychidae
Megalonyx mathisi n. sp. Hirschfeld and Webb 1968
(3 measurements)
see common names

Geography
Country:United States State/province:California County:Merced
Coordinates: 37.3° North, 120.6° West (view map)
Paleocoordinates:37.2° North, 117.8° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Neogene
10 m.y. bin:Cenozoic 6
*Period:Tertiary *Epoch:Miocene
Key time interval:Hemphillian
Age range of interval:9.40000 - 4.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Mehrten Member:Upper
Stratigraphy comments: "Hemphillian, probably late Hemphillian, tenatively correlated with the Pinole Tuff site... which has a potassium-argon date of approximately 5.2 million years"
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:taxonomic analysis
Museum repositories:UCMP
Taxonomic list comments:other taxa definitely are present
Metadata
Also known as:UCMP V-67223
Database number:19187
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:M. Uhen Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2019-05-28 18:08:54
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

1919. S. E. Hirschfeld and S. D. Webb. 1968. Plio-Pleistocene Megalonychid Sloths of North America. Bulletin of the Florida State Museum 12(5) [J. Alroy/J. Alroy/J. Ju]