Also known as block Θ of James and Stevens (1986)
Where: Newfoundland and Labrador, Canada (50.0° N, 57.8° W: paleocoordinates 30.4° S, 45.6° W)
• outcrop-level geographic resolution
When: Orthidiella brachiopod zone, Factory Cove Member (Shallow Bay Formation), Rangerian (471.8 - 468.1 Ma)
• Rangerian in N. America; At Lower Head large fossiliferous blocks of light-colored limestone have been determined to be within the Whiterockian-age Orthidiella brachiopod zone (Ross and James, 1987) and are considered to be equivalent to Bed 14 of the Factory Cove Member of the Shallow Bay Formation on the Cow Head Peninsula (James and Stevens, 1986).
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, peloidal, gray grainstone
Size class: macrofossils
Preservation: replaced with silica
Reposited in the GSC
Collection methods: bulk, chemical,
Primary reference: D. M. Rohr and E.A. Measures. 2001. Middle Ordovician (Whiterockian) gastropods of western Newfoundland: Macluritoidea and Euomphaloidea. Journal of Paleontology 75(2):284-294 [S. Holland/S. Holland/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 56140: authorized by Pete Wagner, entered by Pete Wagner on 12.11.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Lytospira distans Billings 1865 snail | |
"Maclurites ponderosus" = Teiichispira ponderosa
"Maclurites ponderosus" = Teiichispira ponderosa Billings 1865 snail |