AN13 (Silurian of Canada)

Where: Quebec, Canada (49.6° N, 63.4° W: paleocoordinates 21.0° S, 35.5° W)

• coordinate estimated from map

When: Macgilvray? Member (Gun River Formation), Aeronian (440.8 - 438.5 Ma)

Environment/lithology: open shallow subtidal; lithified lime mudstone and lithified shale

• Hard, slabby, well-bedded micritic limestones and minor shale...upper parts characterized by abundant storm deposits, such as flat pebble conglomerates

Size class: macrofossils

Reposited in the GSC

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 184645: authorized by Melanie Hopkins, entered by Melanie Hopkins on 15.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Phacopida - Phacopidae
Acernaspis orestes Billings 1860 trilobite
 Phacopida - Encrinuridae
Encrinurus deomenos Tripp 1962 trilobite
 Phacopida - Calymenidae
Calymene nowlani Chatterton and Ludvigsen 2004 trilobite