ammonites
Lower Vaureal (Petryk 75-MP3-L3-F), Patate River, Anticosti Island (Ordovician of Canada)

Where: Québec, Canada (49.7° N, 63.0° W: paleocoordinates 23.0° S, 38.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Amplexograptus inuiti zone, Vaureal Formation (Jolliet Group), Ashgill (449.5 - 443.7 Ma)

• Lower Vauréal Formation

• formation-level stratigraphic resolution

Environment/lithology: limestone

• Environmental call by T. Hanson.
• Limestone with shale partings. Lithology from A. D. McCracken and C. R. Barnes. 1981. Conodont biostratigraphy across the Ordovician-Silurian boundary, Ellis Bay Formation, Anticosti Island, Québec. Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group, Stratigraphy and Paleontology 2:61-69. Edited by P. J. Lespérance.

Size classes: macrofossils, mesofossils

Collection methods: Graptolites only, from Petryk's collection 75-MP3-L3-F

Primary reference: J. Riva and A. A. Petryk. 1981. Graptolites from the Upper Ordovician and Lower Silurian of Anticosti Island and the position of the Ordovician-Silurian boundary. Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group, Stratigraphy and Paleontology 2:159-164 [S. Holland/T. Hanson/S. Holland] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24719: authorized by Steven Holland, entered by Tori Hanson on 19.08.2002