Also known as MVA(F)85-16A
Where: British Columbia, Canada (49.3° N, 121.8° W: paleocoordinates 37.1° N, 57.3° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Francis Lake Member (Harrison Lake Formation), Toarcian (182.7 - 174.1 Ma)
• Pentacrinus is typical of the Jurassic and in Alaska is most commonly found in the Lower Jurassic
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, calcareous shale
Size class: macrofossils
Reposited in the GSC
Primary reference: A. J. Arthur, P. L. Smith, J. W. H. Monger and H. W. Tipper. 1993. Mesozoic stratigraphy and Jurassic paleontology west of Harrison Lake, southwestern British Columbia. Geological Survey of Canada Bulletin 441:1-62 [A. Miller/A. Hendy/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 185048: authorized by Matthew Clapham, entered by Matthew Clapham on 08.04.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
Pentacrinus sp. Miller 1821 Sea lily | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
Gryphaea sp. Lamarck 1801 oyster |