Where: Ontario, Canada (44.9° N, 75.6° W: paleocoordinates 29.0° S, 62.7° W)
• coordinate estimated from map
• local area-level geographic resolution
When: F-G2 trilobite zone, Oxford Formation (Beekmantown Group), Floian (477.7 - 470.0 Ma)
• Trilobites collected from lower sandy division of Oxford as defined by Bond and Greggs 1976 (CJES 13:19-26). Correlates with Ross/Hintze trilobites zones F, G, and/or H, and conodont Fauna D. "lower sandy division."
• member-level stratigraphic resolution
Environment/lithology: peritidal; lithified, sandy dolomite
Size class: macrofossils
Preservation: mold/impression
Collected by Billings, J. Townsend, P.E. Raymond
Primary reference: R. Ludvigsen. 1979. Lower Ordovician trilobites of the Oxford Formation, eastern Ontario. Canadian Journal of Earth Sciences 16:859-865 [M. Hopkins/M. Hopkins]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 173861: authorized by Melanie Hopkins, entered by Melanie Hopkins on 20.10.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Isoteloides sp. Raymond 1910 trilobite | |
Gignopeltis rarus Billings 1865 trilobite
"Goniotelina subrectus" = Acidiphorus trilobite
Bolbocephalus convexus Billings 1865 trilobite | |
Strotactinus salteri trilobite |