Where: Northwest Territories, Canada (74.4° N, 95.0° W: paleocoordinates 0.7° N, 31.0° W)

• basin-level geographic resolution

When: Douro Formation, Gorstian to Gorstian (422.9 - 418.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine

Collection methods: peel or thin section,

Primary reference: O. A. Dixon. 1999. Upper Silurian heliolitine corals, Canadian Arctic: Taxonomic method, keys to identification, and biogeographic relationships. Journal of Paleontology 73(6):1002-1014 [J. Alroy/M. Sommers/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 5780: authorized by John Alroy, entered by Mike Sommers on 01.12.1999

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)