AN2a (Silurian of Canada)

Where: Quebec, Canada (49.4° N, 62.4° W)

• Paleocoordinates: 20.9° S, 88.4° W (Wright 2013)

• coordinate estimated from map

• local area-level geographic resolution

When: Becscie Formation, Rhuddanian (443.4 - 440.8 Ma)

• Small gully collected cuts through strata of the lower Becscie Formation, including the Biohermal Unit and the Oncolite Bed, and into the top of the Ellis Bay Formation, of Ordovician age. 70 cm above top of Platform Bed.

Environment/lithology: open shallow subtidal; lithified, gray limestone

• hard, slabby, evenly bedded, and tan to grey limestones...locally very fossiliferous but other parts appear entirely to lack fossils

Size classes: macrofossils, mesofossils

Reposited in the GSC

Primary reference: B. D. E. Chatterton and R. Ludvigsen. 2004. Early Silurian trilobites of Anticosti Island, Québec, Canada. Palaeontographica Canadiana 22 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184362: authorized by Melanie Hopkins, entered by Melanie Hopkins on 23.02.2017

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Phacopida - Calymenidae
Calymene barnesi
Calymene barnesi Chatterton and Ludvigsen 2004 trilobite