Where: Poweshiek County, Iowa (41.7° N, 92.7° W: paleocoordinates 41.8° N, 92.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Pleistocene (2.6 - 0.0 Ma)
Environment/lithology: terrestrial; unlithified, coarse-grained, pebbly claystone
Size class: macrofossils
• well worn molar, proximal end of a tibia, glenoid fossa of scapula, fragment of a shaft of a femur, casts in clay of medullary cavities.
Preservation: cast, original aragonite
Collection methods: quarrying,
• Workmen, while engaged in excavating an enormous well to supply the water-tanks of the Iowa Central Railroad, came upon certain badly broken mammoth
•bones
Primary reference: E. H. Barbour. 1890. Remains of the primitive elephant found in Grinnell, Iowa. Science 16:263-263 [M. Uhen/S. Tucker]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 94578: authorized by Mark Uhen, entered by Samantha Tucker on 01.03.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
"Elephas primigenius" = Mammuthus primigenius
"Elephas primigenius" = Mammuthus primigenius Blumenbach 1799 wooly mammoth |