Richardson Collection, Port aux Choix (Ordovician of Canada)

Where: Newfoundland, Canada (50.7° N, 57.4° W: paleocoordinates 30.6° S, 46.7° W)

• outcrop-level geographic resolution

When: Strigigenalis caudata trilobite zone, Basal Member (Catoche Formation), Cassinian (482.3 - 470.0 Ma)

• Zone G is the lower half of the formation.

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the GSC

Primary reference: E. Billings. 1865. Palaeozoic fossils, volume 1. Geological Survey of Canada 1-426 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 154702: authorized by Pete Wagner, entered by Pete Wagner on 03.03.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Rostroconchia
 Conocardiida - Eopteriidae
"Eopteria typica n. gen. n. sp." = Eopteria richardsoni
"Eopteria typica n. gen. n. sp." = Eopteria richardsoni Billings 1865
Gastropoda
 Murchisoniina - Eotomariidae
"Murchisonia acrea n. sp." = Turritoma acrea
"Murchisonia acrea n. sp." = Turritoma acrea Billings 1865 snail