Pressure Point, Somerset Island [Peel Sound Fm] (Silurian of Canada)

Where: Nunavut, Canada (73.3° N, 93.5° W: paleocoordinates 0.5° S, 31.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Peel Sound Formation, Pridoli (423.0 - 419.2 Ma)

• STRATIGRAPHIC RELATIONS: From the Peel Sound Fm, for which lithostratigraphic relations are not discussed. AGE: Lowest Downtownian; equivalent of the Early Pridolian. STRATIGRAPHIC POSITION: From 12 m above base of section.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, white sandstone

• SPECIFIC LITHOLOGY: White sandstone. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Reposited in the NMC

• COLLECTOR: Dineley (mid 1960's). REPOSITORY: National Museum of Canada, Ottawa (NMC).

Primary reference: E. J. Loeffler and D. L. Dineley. 1976. A new species of Corvaspis (Agnatha, Heterostraci) from the upper Silurian to lower or middle Devonian of the North-west Territories, Canada. Palaeontology 19(4):757-766 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90324: authorized by Austin Hendy, entered by Austin Hendy on 16.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to taxon described in manuscript, in addition to other taxa mentioned in text. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications.
Pteraspidomorpha
 Corvaspidiformes - Corvaspididae
Corvaspis arctica Loeffler and Dineley 1976
 Traquairaspidida -
 Cyathaspidida -
Petromyzontida
 Atelaspidiformes -
Acanthodii
  -