Where: British Columbia, Canada (48.6° N, 123.3° W: paleocoordinates 51.6° N, 83.6° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Tragodesmoceras ashlandicum ammonoid zone, Sidney Island Formation, Early/Lower Turonian (93.5 - 89.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; lithified sandstone
Size class: macrofossils
Preservation: mold/impression
Collected by J.W. Haggart in 1993; reposited in the GSC
Primary reference: J. W. Haggart, P. D. Ward, and W. Orr. 2005. Turonian (Upper Cretaceous) lithostratigraphy and biochronology, southern Gulf Islands, British Columbia, and northern San Juan Islands, Washington State. Canadian Journal of Earth Sciences 42:2001-2020 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 210518: authorized by Matthew Clapham, entered by Matthew Clapham on 02.06.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Tragodesmoceras ashlandicum Anderson 1902 ammonite |