Where: Ontario, Canada (42.0° N, 79.0° W: paleocoordinates 26.9° S, 56.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ottawa Formation, Blackriveran (457.3 - 449.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology:

Size class: macrofossils

Preservation: replaced with silica

Primary reference: T. E. Bolton. 1988. Stromatoporoidea from the Ordovician rocks of central and eastern Canada. Contributions to Canadian paleontology, Geological Survey of Canada Bulletin 379:17-45 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 27216: authorized by Steven Holland, entered by Tori Hanson on 22.11.2002

Creative Commons license: CC BY (attribution)