Where: Alberta, Canada (52.1° N, 116.3° W: paleocoordinates 12.2° S, 43.9° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Mount Hawk Formation (Fairholme Group), Frasnian (382.7 - 372.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified, argillaceous limestone and lithified, calcareous shale

Size class: macrofossils

Primary reference: J. K. Rigby. 1970. Two new Upper Devonian hexactinellid sponges from Alberta. Journal of Paleontology 44:7-16 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 111940: authorized by Wolfgang Kiessling, entered by Uta Merkel on 30.06.2011

Creative Commons license: CC BY (attribution)