SUG-29.0 [Arbuckle Brook Fm] (Cambrian of Canada)

Where: Nova Scotia, Canada (45.6° N, 62.0° W: paleocoordinates 79.5° S, 56.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Upper Member (Arbuckle Brook Formation), Placentian (541.0 - 516.0 Ma)

• STRATIGRAPHIC RELATIONS: From the upper member of the Arbuckle Brook Fm, for which lithostratigraphic relationships were not discussed. AGE: Early Cambrian on the basis of trace and body fossils; lower Placentian. STRATIGRAPHIC POSITION: From bed 29, near middle of local section.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, volcaniclastic conglomerate and lithified, brown, red mudstone

• ENVIRONMENT: Shallow water.
• SPECIFIC LITHOLOGY: Basalt conglomerate with cobbles to boulders of contorted, red- to purple-weathering, brownish-purple, silciliclastic mudstones. LITHIFICATION: Lithified, on the basis of facies description, figured lithology and preparation techniques.

Size class: macrofossils

Preservation: original calcite, replaced with phosphate

Reposited in the ROM

Collection methods: bulk, chemical,

• COLLECTOR: Landing and Murphy, c. 1990. REPOSITORY: Royal Ontario Museum (ROM).

Primary reference: E. Landing and J. B. Murphy. 1991. Uppermost Precambrian(?)-Lower Cambrian of mainland Nova Scotia: faunas, depositional environments, and stratigraphic revision. Journal of Paleontology 65(3):382-396 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 86748: authorized by Austin Hendy, entered by Austin Hendy on 15.02.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for acid-digested microfossils. NOMENCLATURE: Authoritative publication with modern nomenclature and species resolution identifications.
Scyphozoa
 Anabaritida - Anabaritidae
"Anabaritellus tricarinatus" = Selindeochrea tricarinata
"Anabaritellus tricarinatus" = Selindeochrea tricarinata Rozanov et al. 1969 jellyfish
Orthothecimorpha
 Circothecida -
Trilobita
  -
Trilobita indet. Walch 1771 trilobite