Sample C, Titusville Site (1967 excavation): Late Pleistocene, Pennsylvania
collected 1967

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Insecta - Coleoptera - Helophoridae
Insecta - Coleoptera - Staphylinidae
Olophrum rotundicolle (Sahlberg 1817)
Pycnoglypta sp. Thomson 1858
Pycnoglypta aptera or Pycnoglypta lucida
Insecta - Coleoptera - Carabidae
Trechus crassiscapus Lindroth 1955
see common names

Geography
Country:United States State/province:Pennsylvania
Coordinates: 41.6° North, 79.6° West (view map)
Paleocoordinates:
Basis of coordinate:stated in text
Geographic resolution:hand sample
Time
Period: Quaternary Epoch: Pleistocene
Stage: Late Pleistocene 10 m.y. bin: Cenozoic 6
Key time interval: Late Pleistocene
Age range of interval: 0.129 - 0.0117 m.y. ago
Stratigraphy
Formation:Titusville Till
Lithology and environment
Primary lithology: unlithified peat
Environment:mire/swamp Tectonic setting:non-subsiding area
Geology comments: The maximum zone of overlap lies in the transition between the northern hardwood forest and the southern boreal forest, an area whose climate is analogous to that of southern Ontario. Mean July temperatures in this region range from 18 to 20C.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Temporal resolution:time-averaged
Collection methods and comments
Collection methods:selective quarrying,sieve
Reason for describing collection:paleoecologic analysis
Collection dates:1967
Collection method comments: All specimens, including those examined by Totten and Coope in 1967, were mounted onto micropaleontological slides and reposited in the Quaternary Entomology Laboratory at North Dakota State University.
Metadata
Database number:137211
Authorizer:M. Clapham Enterer:J. Karr
Modifier:M. Clapham Research group:paleoentomology
Created:2012-12-12 11:03:56 Last modified:2025-02-22 15:12:02
Access level:the public Released:2012-12-12 11:03:56
Creative Commons license:CC0
Reference information

Primary reference:
43873. S. Cong, A. C. Ashworth, D. P. Schwert and S. M. Totten. 1996. Fossil Beetle Evidence for a Short Warm Interval near 40,000 yr B.P. at Titusville, Pennsylvania. Quaternary Research 45:216-225 [M. Clapham/J. Karr/J. Karr]