East Cliff of the Jupiter River, mouth of Jupiter River / Jupiter Cliff (Silurian of Canada)

Where: Quebec, Canada (49.4° N, 63.7° W: paleocoordinates 21.1° S, 35.7° W)

• coordinate estimated from map

• local area-level geographic resolution

When: 4 Member (Jupiter Formation), Alexandrian (443.4 - 436.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: poorly lithified, blue, argillaceous limestone and poorly lithified, calcareous shale

• Light blue and drab, soft, argillaceous limestone or highly calcaerous shale

Size class: macrofossils

Preservation: original calcite

Reposited in the GSC, YPM

Primary reference: W. H. Twenhofel. 1928. Geology of Anticosti Island. Geological Survey of Canada Memoir 154(2132):1-351 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 63558: authorized by Pete Wagner, entered by Pete Wagner on 16.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only gastropods, tergomyabns and rostroconchs listed, as the other names must be out of date.
Gastropoda
 Murchisoniina - Hormotomidae
? Hormotoma funata Billings 1866 snail
 Bellerophontida - Bucaniidae
Salpingostoma orientalis n. sp. Twenhofel 1928 snail
 Euomphalina - Platyceratidae
"Diaphorostoma humile" = Platyostoma humile, Cyclonema percingulatum
"Diaphorostoma humile" = Platyostoma humile Billings 1866 snail
Cyclonema percingulatum Billings 1857 snail
Rostroconchia
 Conocardiida - Pseudobigaleaidae
"Conocardium elegantulum" = Bitrigonocardia elegantula
"Conocardium elegantulum" = Bitrigonocardia elegantula Billings 1866