AN44 (Silurian to of Canada)

Where: Quebec, Canada (49.2° N, 62.3° W: paleocoordinates 22.5° S, 33.5° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• 2-4 meters above base of outcrop

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

• Cybele: gray lithographic limestone; Richardson: calcareous shale and mudstone. Authors do not specify which lithology fossils sampled from.

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 186065: authorized by Melanie Hopkins, entered by Melanie Hopkins on 09.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Illaenidae
Stenopareia sp. Holm 1886 trilobite
 Odontopleurida - Odontopleuridae
Kettneraspis copelandi n. sp. Chatterton and Ludvigsen 2004 trilobite
Exallaspis maccrackeni n. sp. Chatterton and Ludvigsen 2004 trilobite
 Aulacopleurida - Aulacopleuridae
Maurotarion sp. Alberti 1969 trilobite
 Phacopida - Phacopidae
Acernaspis orestes Billings 1860 trilobite
 Phacopida - Encrinuridae
Encrinurus jini Chatterton and Ludvigsen 2004 trilobite
 Phacopida - Calymenidae
Diacalymene schucherti Twenhofel 1928 trilobite
Calymene nowlani Chatterton and Ludvigsen 2004 trilobite
 Lichida - Lichidae
Arctinurus anticostiensis Northrup 1939 trilobite