Where: New Brunswick, Canada (45.3° N, 66.1° W)

• Paleocoordinates: 44.8° S, 121.4° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Forest Hills Formation (St. John Group), Arcadian (509.0 - 498.4 Ma)

• assemblage typical of Ptychagnostus atavus zone. AGE: Arcadian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data (Ptychagnostus).

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; black shale

Primary reference: R. A. Robison. 1995. Revision of the middle Cambrian trilobite Agnostus acadicus Hartt. Journal of Paleontology 69(2):302-307 [L. Ivany/L. Ivany]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64540: authorized by Linda Ivany, entered by Linda Ivany on 09.09.2006

Creative Commons license: CC0 (CC0)