Gaspé Peninsula, Ristigouche Outcrop Belt, Anse a Pierre Loiselle Formation (Silurian of Canada)

Where: Québec, Canada (47.8° N, 67.0° W: paleocoordinates 24.7° S, 35.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Costistricklandia lirata zone, Anse a Pierre-Loiselle Formation (Chaleurs Group), Niagaran (438.0 - 421.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: gray shale and limestone

• Environmental call by T. Hanson.
• Gray shale with limestone nodules. Lithology from G. S. Nowlan. 1981. Late Ordovician - Early Silurian conodont biostratigraphy of the Gaspé Peninsula - a preliminary report. Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 2:257-291. Edited by P. J. Lespérance.

Size class: macrofossils

Primary reference: A. J. Boucot and P. A. Bourque. 1981. Brachiopod biostratigraphy of the Llandoverian rocks of the Gaspé Peninsula. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 2:315-321 [S. Holland/T. Hanson/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 25161: authorized by Steven Holland, entered by Tori Hanson on 30.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Rhynchonellata
 Pentamerida - Stricklandiidae
 Pentamerida - Clorindidae
Clorinda sp. Barrande 1879
 Orthida - Rhipidomellidae
Dalejina sp. Havlicek 1953
 Orthida - Dalmanellidae
Resserella sp. Bancroft 1928
Isorthis sp. Kozlowski 1929
 Orthida - Hesperorthidae
Dolerorthis sp. Schuchert and Cooper 1931
 Spiriferida - Cyrtiidae
Cyrtia sp. Dalman 1828
"Cyrtia cf. exporrecta" = Cyrtia exporrectus Wahlenberg 1818
Eospirifer sp. Schuchert 1913
 Spiriferida - Delthyrididae
Howellella sp. Kozlowski 1946
 Atrypida - Atrypidae
Atrypa reticularis Linnaeus 1758
 Athyridida - Meristellidae
Meristina sp. Hall 1867
Strophomenata
 Strophomenida - Leptostrophiidae
Protomegastrophia sp. Caster 1939
"Protomegastrophia" sp.
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis Wahlenberg 1818
 Strophomenida - Eopholidostrophiidae
 Strophomenida - Leptestiidae
Leangella sp. Opik 1933
 Strophomenida - Strophodontidae
 Strophomenida - Sowerbyellidae
Plectodonta sp. Kozlowski 1929
Eoplectodonta sp. Kozlowski 1929