White Head Formation, Percé, Québec, locality CAP1 (Ordovician of Canada)

Where: Québec, Canada (48.5° N, 64.2° W: paleocoordinates 24.0° S, 39.2° W)

• coordinate estimated from map

• local area-level geographic resolution

When: White Head Formation, Ashgill (449.5 - 443.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: coastal; silty sandstone

• fine-grained, silty quartz sandstone.

Size class: macrofossils

Preservation: mold/impression

Primary reference: P. M. Sheehan and P. J. Lespérance. 1979. Late Ordovician (Ashgillian) brachiopods from the Percé region of Québec. Journal of Paleontology 53(4):950-967 [S. Holland/T. Hanson/S. Holland]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 28137: authorized by Steven Holland, entered by Tori Hanson on 24.01.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Orthotetida - Chilidiopsidae
? Fardenia sp. Lamont 1935
 Strophomenida - Sowerbyellidae
Eoplectodonta sp. Kozlowski 1929
 Strophomenida - Aegiromenidae
Chonetoidea radiatula Barrande 1879
 Strophomenida - Glyptomenidae
? Glyptomena sp. Cooper 1956
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Rhynchonellata
 Pentamerida - Parastrophinidae
Parastrophina sp. Schuchert and LeVene 1929
? Parastrophinella sp. Schuchert and Cooper 1931
 Atrypida - Atrypinidae
 Rhynchonellida - Rhynchotrematidae
Rhynchotrema sp. Hall 1860
 Orthida - Dicoelosiidae
 Orthida - Tyronellidae
 Orthida - Dalmanellidae
Dalmanella sp. Hall and Clarke 1892
 Orthida - Glyptorthidae
 Orthida - Platystrophiidae