AN8a (Silurian to of Canada)

Where: Quebec, Canada (49.5° N, 63.6° W: paleocoordinates 22.1° S, 34.4° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Richardson or Cybèle Member (Jupiter Formation), Aeronian to Aeronian (440.8 - 433.4 Ma)

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

• broad belt of shale-dominated strata that extends across Anticosti Island parallel with the south coast

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 184408: authorized by Melanie Hopkins, entered by Melanie Hopkins on 23.02.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Corynexochida - Illaenidae
Stenopareia grandis Billings 1859 trilobite
 Odontopleurida - Odontopleuridae
Exallaspis sp. Ramsköld and Chatterton 1991 trilobite
 Phacopida - Calymenidae
Diacalymene schucherti Twenhofel 1928 trilobite
Calymene sp. Brongniart 1822 trilobite