White Head Formation, The Amphitheater, 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, gray, sandy limestone

• Gray sandy limestones.

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 37793: authorized by Steven Holland, entered by Steven Holland on 24.03.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Calymenidae
Graptolithina
 Diplograptoidea - Diplograptidae
"Mesograptus sp." = Diplograptus
"Mesograptus sp." = Diplograptus diplograptoid
Strophomenata
 Orthotetida - Triplesiidae
Cliftonia platystrophoides
Cliftonia (Oxoplecia) platystrophoides
 Orthotetida - Chilidiopsidae
 Strophomenida - Rafinesquinidae
 Strophomenida - Strophomenidae
Strophomena sp. Rafinesque and De Blainville 1824
Strophomena n. sp.
Rhynchonellata
 Pentamerida - Parastrophinidae
Liostrophia glabra Cooper and Kindle 1936
 Protorthida - Skenidiidae
 Atrypida - Atrypinidae
"Plectatrypa gaspeensis" = Spirigerina (Eospirigerina) gaspeensis
"Plectatrypa gaspeensis" = Spirigerina (Eospirigerina) gaspeensis Schuchert and Cooper 1930
 Atrypida - Anazygidae
 Orthida - Plectorthidae