Where: Northwest Territories, Canada (62.5° N, 125.3° W: paleocoordinates 7.9° N, 55.5° W)

When: Aphelognathus divergens conodont zone, Lower Whittaker Formation, Richmondian (449.6 - 445.5 Ma)

• Above Whittakerites planatus zone

• bed-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Preservation: original silica

Reposited in the GSC

Primary reference: C. E. Mitchell and W. C. Sweet. 1989. Upper Ordovician conodonts, brachiopods, and chronostratigraphy of the Whittaker Formation, southwestern District of Mackenzie, N. W. T., Canada. Canadian Journal of Earth Sciences 26:74-87 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 192137: authorized by Pete Wagner, entered by Pete Wagner on 12.03.2018

Creative Commons license: CC BY (attribution)