Galena (Snyder Collection): Pleistocene, Illinois
collected by Mr. Snyder

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Talpidae
Leidy 1870
Mammalia - Bovidae
Bison antiquus Leidy 1852
Leidy 1870
Mammalia - Tayassuidae
Mammalia - Carnivora - Procyonidae
Mammalia - Megalonychidae
Megalonyx jeffersonii (Desmarest 1822)
Leidy 1870
see common names

Geography
Country:United States State/province:Illinois County:Jo Daviess
Coordinates: 42.4° North, 90.4° West (view map)
Paleocoordinates:42.6° North, 90.0° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period: Quaternary Epoch: Pleistocene
10 m.y. bin: Cenozoic 6
Key time interval: Pleistocene
Age range of interval: 2.58 - 0.0117 m.y. ago
Stratigraphy
Lithology and environment
Primary lithology:ferruginous,brown poorly lithified sandstone
Lithology description: all Galena-area Pleistocene collections apparently come from "loose or more or less compact matrix of brown ferruginous sand" within "lead-bearing crevices" devloped in a "cliff limestone" (Leidy 1860)
Environment:karst indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:general faunal/floral analysis
Collectors:Mr. Snyder
Metadata
Database number:87059
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2009-03-02 15:03:38 Last modified:2025-02-22 15:12:02
Access level:the public Released:2009-03-02 15:03:38
Creative Commons license:CC0
Reference information

Primary reference:
29305. J. L. Leconte. 1848. Notice of five new species of fossil Mammalia from Illinois. American Journal of Science and Arts 5:102-106 [M. Uhen/M. Uhen/M. Uhen]

Secondary references:

29294 J. Leidy. 1870. [Remarks on ichthyorudiolites and on certain fossil Mammalia]. Proceedings of the Academy of Natural Sciences of Philadelphia 22(1):12-13 [M. Uhen/M. Uhen]