White Head Formation, Mont Joli, Perce, Quebec (Ordovician to of Canada)

Where: Quebec, Canada (48.5° N, 64.2° W: paleocoordinates 25.3° S, 41.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: White Head Formation, Edenian to Edenian (460.9 - 443.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: lithified limestone and lithified shale

• alternating limestone and shale layers, most fossiliferous about 75 feet south of the fault contact with the Mont Joli Formation

Size class: macrofossils

Primary reference: G. A. Cooper and C.H. Kindle. 1936. New brachiopods and trilobites from the Ordovician of Perce, Quebec. Journal of Paleontology 10(5):348-372 [S. Holland/S. Holland/S. Holland]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 37791: authorized by Steven Holland, entered by Steven Holland on 24.03.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Illaenidae
 Phacopida - Pterygometopidae
Calyptaulax glabella Cooper 1930 trilobite
 Phacopida - Calymenidae
 Asaphida - Asaphidae
Isotelus sp. Dekay 1824 trilobite
 Asaphida - Cyclopygidae
 Asaphida - Raphiophoridae
 Asaphida - Trinucleidae
Strophomenata
 Strophomenida - Leptestiidae
"Diambonia septata" = Leangella
"Diambonia septata" = Leangella
Rhynchonellata
 Atrypida - Cyclospiridae