St. Antoine de Tilly (Ordovician of Canada)

Where: Quebec, Canada (46.7° N, 71.6° W: paleocoordinates 29.4° S, 58.4° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Oepikodus communis conodont zone, Ogdensburg Member (Beauharnois Formation), Cassinian (482.3 - 470.0 Ma)

• See Salad-Hersi et al. (2003 Can. J. Earth Sci 40: 149–176)

• member-level stratigraphic resolution

Environment/lithology: limestone

Size classes: macrofossils, mesofossils

Reposited in the GSC

Primary reference: J. Pojeta and B. Runnegar. 1976. The paleontology of rostroconch mollusks and the early history of the phylum Mollusca. United States Geological Survey Professional Paper 968:1-88 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100355: authorized by Pete Wagner, entered by Pete Wagner on 08.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Murchisoniina - Eotomariidae
"Cyclonema phaedra n. sp." = Clathrospira phaedra
"Cyclonema phaedra n. sp." = Clathrospira phaedra Billings 1865 snail
 Murchisoniina - Subulitidae
"Subulites psyche n. sp." = Fusispira psyche
"Subulites psyche n. sp." = Fusispira psyche Billings 1865 snail
 Conocardiida - Eopteriidae
Eopteria richardsoni n. sp. Billings 1865
pl. 24 f. 5-6
 Mimospirida - Clisospiridae
Clisospira curiosa n. sp. Billings 1865