Ridgemount Quarry South (Silurian of Canada)

Where: Ontario, Canada (42.9° N, 78.9° W: paleocoordinates 30.3° S, 40.8° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Williamsville Formation (Bertie Group), Pridoli (423.0 - 419.2 Ma)

• Eurypteris remipes lacustris Biozone

Environment/lithology: shallow subtidal; dolomite

• plants co-occur with phyllocarids, cephalopods, Ligula, horseshoe crabs (rare)

Preservation: adpression

Primary reference: D. Edwards, H. P. Banks, S. J. Ciurca and R. SLaub. 2004. New Silurian cooksonias from dolostones of north-eastern North America. Botanical Journal of the Linnean Society 146:399-413 [A. Raymond/A. Raymond/A. Raymond]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 53825: authorized by Anne Raymond, entered by Anne Raymond on 14.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Psilophytopsida
 Psilophytales -
Cooksonia sp., cf. Cooksonia sp.
Cooksonia sp. Lang 1937
cf. Cooksonia sp. Lang 1937
specimen has a swollen tip but may not be fertile
Hostinella
  -
Hostinella sp.
Hostinella sp. Barrande 1882