Silliman's Fossil Mount, stratigraphic position B-7 (Ordovician of Canada)

Where: Northwest Territories, Canada (63.7° N, 69.1° W: paleocoordinates 10.9° S, 40.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Wildernessian (457.3 - 449.6 Ma)

• No group or formation names.

Environment/lithology: calcareous shale and limestone

• Environmental call by T. Hanson
• Calcareous shale with interbedded limestone

Size class: microfossils

Collection methods: chemical,

Primary reference: M. J. Copeland. 1977. Ordovician Ostracoda, southeastern District of Franklin. Geology of Ordovician rocks, Melville Peninsula and region, southeastern District of Franklin. Geological Survey of Canada, Bulletin 269:77-97 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 26963: authorized by Steven Holland, entered by Tori Hanson on 10.11.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Ostracoda
 Podocopida - Bairdiidae
? Krausella cf. acuta, Krausella rawsoni
 Podocopida - Bairdiocyprididae
Bairdiocypris cylindrica, Bairdiocypris granti, ? Longiscula emaciata
 Palaeocopida - Leperditellidae
Punctaparchites rugosus
Punctaparchites rugosus Jones 1858 ostracod
 Palaeocopida - Tvaerenellidae
Diplopsis socialis, Levisulculus planus
Diplopsis socialis Levinson 1961 ostracod
 Palaeocopida - Euprimitiidae
Euprimitia cf. sanctipauli
 Palaeocopida - Eurychilinidae
Laccochilina (Prochilina) irrasa, Eurychilina subradiata, Eurychilina sp.
Eurychilina sp. Ulrich 1889 ostracod