AN13 (Silurian of Canada)

Where: Quebec, Canada (49.6° N, 63.4° W)

• Paleocoordinates: 21.9° S, 86.9° W (Wright 2013)

• coordinate estimated from map

When: Macgilvray? Member (Gun River Formation), Aeronian (440.5 - 438.6 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, Québec, 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: CC0 (CC0)

Taxonomic list

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