B2 Boulder bed, Broom Point South (Cambrian of Canada)

Where: Newfoundland and Labrador, Canada (49.8° N, 57.9° W)

• Paleocoordinates: 6.8° N, 86.5° W (Wright 2013)

• coordinate stated in text

• outcrop-level geographic resolution

When: Missisquoia trilobite zone, Broom Point Member (Green Point Formation), Trempealeauan (492.5 - 485.4 Ma)

• Local section is Broom Point South but meterage not reported in Fortey et al 1982; this bed is at 177.6 m in the section measured by James and Stevens 1986.

Environment/lithology: grainstone

• Conglomerate deposited in slope environment (Green River Formation) but source of clasts further upslope).
• James and Stevens 1986, p. 127: "conglomerate, mainly tabular clasts with a grainstone matrix.."

Size class: macrofossils

Collected by R. A. Fortey, D. Skevington; reposited in the ROM

Collection methods: bulk,

Primary reference: R. A. Fortey and D. Skevington. 1980. Correlation of Cambrian-Ordovician boundary between Europe and North America: new data from western Newfoundland. Canadian Journal of Earth Sciences 17(3):382-388 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 105856: authorized by Melanie Hopkins, entered by Melanie Hopkins on 26.02.2011

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Olenida - Olenidae
? Highgatella sp., Highgatella cordilleri
? Highgatella sp. Shaw 1955 trilobite
Highgatella cordilleri Lochman 1964 trilobite
 Corynexochida - Missisquoiidae
"Missisquoia typicalis" = Parakoldinioidia stitti
"Missisquoia typicalis" = Parakoldinioidia stitti Fortey 1983 trilobite
 Asaphida - Nileidae
Symphysurina cleora
 Ptychopariida - Catillicephalidae
Acheilus oryx
Acheilus oryx Fortey 1983 trilobite