Where: Ontario, Canada (43.0° N, 79.3° W: paleocoordinates 27.0° S, 45.0° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Lewiston Member (Rochester Shale Formation), Wenlock (433.4 - 427.4 Ma)
• C and D submembers of Brett (1983)
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; calcareous mudstone and grainstone
•2003:04:06 SEP environmental/tectonic/sequence calls based on field knowledge familiarity with stratigraphic context.
Collection methods: Some overlap with collection 12936.
Primary reference: T. J. Frest, C. E. Brett, and B. J. Witzke. 1999. Caradocian-Gedinnian echinoderm associations of Central and Eastern North America. Paleocommunities--a case study from the Silurian and Lower Devonian 638-783 [M. Foote/K. Koverman/P. Wagner]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 26855: authorized by Michael Foote, entered by Michael Foote on 05.11.2002
Creative Commons license: CC BY (attribution)