AN22 (Silurian of Canada)

Where: Quebec, Canada (49.7° N, 63.9° W: paleocoordinates 21.4° S, 36.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Ozarkodina hassi conodont zone, Fox Point Member (Becscie Formation), Rhuddanian (443.4 - 440.8 Ma)

• basal 3 m of Becscie Formation

• group of beds-level stratigraphic resolution

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

• hard, slabby, evenly bedded, gray to tan limestones

Size class: macrofossils

Reposited in the GSC

Collection methods: bulk, 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 185536: authorized by Melanie Hopkins, entered by Melanie Hopkins on 27.04.2017

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
sp. A
 Phacopida - Calymenidae
Calymene barnesi n. sp. Chatterton and Ludvigsen 2004 trilobite
 Proetida - Proetidae
Proetus lindoei trilobite
 Lichida - Lichidae
Lichas menieri n. sp. Chatterton and Ludvigsen 2004 trilobite