CN-033, Cape Norman, Pistolet Bay (Ordovician of Canada)

Also known as 1985F162

Where: Newfoundland and Labrador, Canada (51.6° N, 55.9° W: paleocoordinates 30.1° S, 45.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Strigigenalis caudata trilobite zone, Catoche Formation (St. George Group), Cassinian (482.3 - 470.0 Ma)

Environment/lithology: peritidal; lithified, gray lime mudstone and wackestone

• Lime mudstone and wackestone; dark blue-gray weathering, thin rubbly bedded, bioturbated; top contains thin lenses of skeletal lime packstone and grainstone, and spectacular patches of diagenetic dolostone-pseudopbreccia, whit weathering

Size class: macrofossils

Collected by W. D. Boyce in 1976-87

• 10.8 meter unit collected at cm scale but only trilobite ranges reported.

Primary reference: D. M. Rohr, W. D. Boyce, and E. A. Measures. 2008. The rostroconch mollusc Euchasma Billings, 1865 from the Lower Ordovician Catoche Formation, western Newfoundland. Newfoundland Department of Mines and Energy, Report 08(1):79-91 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 133127: authorized by Pete Wagner, entered by Pete Wagner on 02.09.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rostroconchia
 Conocardiida - Eopteriidae
Euchasma blumenbachi
Euchasma blumenbachi Billings 1859
Trilobita
 Phacopida - Pliomeridae
Strotactinus insularis
Strotactinus insularis Billings 1865 trilobite
 Proetida - Dimeropygidae
Ischyrotoma anataphra
Ischyrotoma anataphra Fortey 1979 trilobite
 Proetida - Bathyuridae
Bathyurellus abruptus, "Uromystrum marginatus" = Uromystrum marginiatus, Petigurus nero, Jeffersonia timon
Bathyurellus abruptus Billings 1865 trilobite
"Uromystrum marginatus" = Uromystrum marginiatus Billings 1865 trilobite
Petigurus nero Billings 1865 trilobite
Jeffersonia timon Billings 1865 trilobite