Akpatok Island, 460’ above sea level, Ungava Bay, Hudston Strait (Ordovician of Canada)

Also known as Pink Band

Where: Northwest Territories, Canada (60.3° N, 68.0° W: paleocoordinates 12.0° S, 37.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Aphelognathus grandis conodont zone, Akpatok Formation, Richmondian (449.5 - 443.7 Ma)

• Unnamed sequence; 460 ft above sea level. Was Edenian - Richmondian

• group of beds-level stratigraphic resolution

Environment/lithology: red, white limestone

• Very thin fossiliferous band of limestone with trilobites and brachiopods preserved with pink shells.

Size class: macrofossils

Primary reference: T. E. Bolton. 1988. Stromatoporoidea from the Ordovician rocks of central and eastern Canada. Contributions to Canadian paleontology, Geological Survey of Canada Bulletin 379:17-45 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 27193: authorized by Steven Holland, entered by Tori Hanson on 21.11.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Hormotomidae
Hormotoma rudis d'Eichwald 1860 snail
 Murchisoniina - Murchisoniidae
"Hormotoma groenlandica" = Cyrtostropha salteri
"Hormotoma groenlandica" = Cyrtostropha salteri Ulrich and Scofield 1897 snail
 Murchisoniina - Lophospiridae
"Lophospira minuta n. sp." = Lophospira milleri, "Lophospira vermetus" = Loxoplocus vermetus, "Lophospira grandis n. sp." = Paupospira akpatokensis
"Lophospira minuta n. sp." = Lophospira milleri Miller 1877 snail
"Lophospira vermetus" = Loxoplocus vermetus Koken 1897 snail
"Lophospira grandis n. sp." = Paupospira akpatokensis Wilson 1939 snail
 Murchisoniina - Trochonematidae
Trochonema coxi n. sp. Wilson 1938 snail
Stromatoporoidea
 Labechiida - Aulaceratidae
"Beatricea cf. nodulifera" = Aulacera
"Beatricea cf. nodulifera" = Aulacera stromatoporoid sponge