AN42 (Silurian to of Canada)

Where: Quebec, Canada (49.3° N, 62.3° W: paleocoordinates 22.5° S, 33.5° W)

• coordinate stated in text

• small collection-level geographic resolution

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

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

• Cybele: gray lithographic limestone; Richardson: calcareous shales and mudstones. Type of rock fossils collected from not specified.

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, Québec, Canada. Palaeontographica Canadiana 22 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186061: authorized by Melanie Hopkins, entered by Melanie Hopkins on 08.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Phacopida - Phacopidae
Acernaspis orestes
Acernaspis orestes Billings 1860 trilobite
 Phacopida - Encrinuridae
Nucleurus anticostiensis, Encrinurus jini
Encrinurus jini Chatterton and Ludvigsen 2004 trilobite
 Phacopida - Calymenidae
Diacalymene schucherti, Calymene nowlani n. sp.
Diacalymene schucherti Twenhofel 1928 trilobite
Calymene nowlani n. sp. Chatterton and Ludvigsen 2004 trilobite
 Lichida - Lichidae
"Lichidae" indet.
"Lichidae" indet. Hawle and Corda 1847 trilobite