AN25 (Silurian of Canada)

Where: Quebec, Canada (49.4° N, 62.5° W: paleocoordinates 21.9° S, 35.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Becscie Formation, Rhuddanian (443.4 - 440.8 Ma)

• upper Becscie Formation

Environment/lithology: open shallow subtidal; lithified limestone

• hard, slabby, unevenly bedded, tan to gray limestone

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 185539: authorized by Melanie Hopkins, entered by Melanie Hopkins on 27.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Corynexochida - Styginidae
Failleana sp. Chatterton and Ludvigson 1976 trilobite
 Phacopida - Phacopidae
 Phacopida - Encrinuridae
Encrinurus sp. Emmrich 1844 trilobite
 Phacopida - Calymenidae
Calymene barnesi Chatterton and Ludvigsen 2004 trilobite
 Proetida - Proetidae
Proetus sp. Steininger 1831 trilobite
 Lichida - Lichidae
Hemiarges sp. Gürich 1901 trilobite
Lichas sp. Dalman 1827 trilobite