Anticosti Island Atrypoid Brachiopods, Gun River Formation, Sandtop (Silurian of Canada)

Where: Québec, Canada (49.2° N, 61.7° W)

• Paleocoordinates: 22.2° S, 85.7° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gun River Formation (Anticosti Group), Alexandrian (443.4 - 436.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: limestone

• Environmental call by T. Hanson.
• Thin-bedded limestone.

Size class: macrofossils

Collection methods: Brachiopods and 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 24591: authorized by Steven Holland, entered by Tori Hanson on 11.08.2002

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Athyridida - Hyattidinidae
Hyattidina sp.
Hyattidina sp. Schuchert 1913
 Atrypida - Atrypidae
Atrypa sp.
Atrypa sp. Dalman 1828
 Atrypida - Atrypinidae
Spirigerina sp.
Spirigerina sp. d'Orbigny 1849