Gaspé Peninsula, Chaleurs Bay Synclinorium, Anse a Pierre-Loiselle Formation (Silurian of Canada)

Where: Québec, Canada (47.8° N, 65.5° W: paleocoordinates 24.8° S, 34.4° 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)

• Llandoverian C6 to Wenlockian age

• 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 25156: authorized by Steven Holland, entered by Tori Hanson on 30.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Drummockina sp., Protomegastrophina sp., Dalejuna sp., Mesopholodostrophia sp.
Rhynchonellata
 Spiriferida - Delthyrididae
Howellella sp., Delthyris sp.
Howellella sp. Kozlowski 1946
Delthyris sp. Dalman 1828
 Spiriferida - Cyrtiidae
Eospirifer sp.
Eospirifer sp. Schuchert 1913
 Athyridida - Hyattidinidae
Hyattidina sp.
Hyattidina sp. Schuchert 1913
 Atrypida - Atrypidae
Atrypa sp., Atrypa reticularis
Atrypa sp. Dalman 1828
"Atrypa" sp.
Atrypa reticularis Linnaeus 1758
Atrypa "reticularis"
 Orthida - Dalmanellidae
Isorthis sp.
Isorthis sp. Kozlowski 1929
 Protorthida - Skenidiidae
Skenidioides sp.
Skenidioides sp. Schuchert and Cooper 1931
 Pentamerida - Stricklandiidae
Costistricklandia lirata
 Rhynchonellida - Trigonirhynchiidae
Ancillotoechia sp.
Ancillotoechia sp. Havlicek 1959
" Ancillotoechia" sp.
 Rhynchonellida - Hebetoechiidae
Sphaerirhynchia sp.
Sphaerirhynchia sp. Cooper and Muir-Wood 1951
"Sphaerirhynchia" sp.
Strophomenata
 Strophomenida - Sowerbyellidae
Plectodonta sp.
Plectodonta sp. Kozlowski 1929
 Strophomenida - Leptostrophiidae
Leptostrophia sp.
Leptostrophia sp. Hall and Clarke 1892
"Leptostrophia" sp.
 Strophomenida - Leptaenoideidae
Leptaenisca sp.
Leptaenisca sp. Beecher 1890
 Strophomenida - Strophonellidae
Strophonella sp.
Strophonella sp. Hall 1879
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis
Leptaena rhomboidalis Wahlenberg 1818
Leptaena "rhomboidalis"