AN33 (Silurian to of Canada)

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

• coordinate stated in text

• small collection-level geographic resolution

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

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

• calcarious shales and mudstones (Richardson Member); grey lithographic limestone (Cybele Member)

Size class: macrofossils

Reposited in the GSC

Collection methods: surface (in situ), mechanical,

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

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186046: authorized by Melanie Hopkins, entered by Melanie Hopkins on 07.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Corynexochida - Illaenidae
Stenopareia grandis Billings 1859 trilobite
 Phacopida - Encrinuridae
Encrinurus aff. deomenos Tripp 1962 trilobite
 Phacopida - Calymenidae
Diacalymene schucherti Twenhofel 1928 trilobite
Calymene nowlani Chatterton and Ludvigsen 2004 trilobite
 Lichida - Lichidae
Arctinurus anticostiensis Northrup 1939 trilobite