AN10B (Silurian of Canada)

Where: Quebec, Canada (49.8° N, 64.3° W: paleocoordinates 21.3° S, 36.9° W)

• coordinate estimated from map

• local area-level geographic resolution

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

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

• Formation is "hard, slabby, evenly bedded, and tan to grey limestones...locally very fossiliferous but other parts appear entirely to lack fossils"; this collection is from a basal calcarenite.

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 184412: authorized by Melanie Hopkins, entered by Melanie Hopkins on 23.02.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Corynexochida - Styginidae
Failleana magnifica Chatterton and Ludvigsen 2004 trilobite
 Odontopleurida - Odontopleuridae
Exallaspis sp. Ramsköld and Chatterton 1991 trilobite
 Phacopida - Calymenidae
Calymene sp. Brongniart 1822 trilobite