Anticosti Island Atrypoid Brachiopods, Vaureal Formation (Ordovician of Canada)

Where: Québec, Canada (49.5° N, 63.0° W: paleocoordinates 23.2° S, 38.1° W)

• coordinate estimated from map

• local area-level geographic resolution

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

• Richmondian - Gamachian

• 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.

Size class: macrofossils

Collection methods: Atrypoid brachiopods only.

Primary reference: P. Copper. 1981. Atrypoid brachiopods and their distribution in the Ordovician-Silurian sequence of Anticosti Island. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group, Stratigraphy and Paleontology 2:137-141 [S. Holland/T. Hanson/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24584: authorized by Steven Holland, entered by Tori Hanson on 11.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Atrypida - Anazygidae
Catazyga anticostiensis, Anazyga aequivalvis
Anazyga aequivalvis Twenhofel 1928
 Atrypida - Cyclospiridae
Cyclospira anticostiana
 Atrypida - Septatrypidae
Idiospira charletona