Also known as Anticosti Island, Junction Cliff, Ellis Bay Formation Member 1

Where: Québec, Canada (49.8° N, 64.3° W: paleocoordinates 22.7° S, 39.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Paraorthograptus pacificus graptolite zone, Grindstone Member (Vaureal Formation), Richmondian (449.6 - 445.5 Ma)

• Member 1 = Grindstone (PJW). Hercochitina crickmayi zone.

• member-level stratigraphic resolution

Environment/lithology: gray, green shale and argillaceous limestone

Size class: macrofossils

Primary reference: C. R. Barnes, A. A. Petryk, and T. E. Bolton. 1981. Anticosti Island, Québec. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 1:1-24 [S. Holland/T. Hanson/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24330: authorized by Steven Holland, entered by Tori Hanson on 05.08.2002

Creative Commons license: CC BY (attribution)