Also known as UCMP V-67223
Where: Merced County, California (37.3° N, 120.6° W: paleocoordinates 37.2° N, 117.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Upper Member (Mehrten Formation), Hemphillian (10.3 - 4.9 Ma)
• "Hemphillian, probably late Hemphillian, tenatively correlated with the Pinole Tuff site... which has a potassium-argon date of approximately 5.2 million years"
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Reposited in the UCMP
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 19187: authorized by John Alroy, entered by John Alroy on 15.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Megalonyx mathisi n. sp.
Megalonyx mathisi n. sp. Hirschfeld and Webb 1968 edentate |