A377 (Ordovician of Canada)

Where: Quebec, Canada (49.5° N, 62.3° W: paleocoordinates 24.0° S, 38.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Homard Member (Vaureal Formation), Katian (453.0 - 445.2 Ma)

• Collection A377 of Dewing 1999. Same collection names are used by Jin 1989, Jin and Zhan 2008, and Li and Copper 2006.

• bed-level stratigraphic resolution

Environment/lithology: lithified, bioturbated, nodular, pebbly, calcareous lime mudstone

• Member description taken from 2007 Long. Tempestite frequency curves: a key to Late Ordovician and Early Silurian subsidence, sea-level change, and orbital forcing in the Anticosti foreland basin, Quebec, Canada. Can. J. Earth Sci. Vol. 44, 413-431. "The Homard member is a 52 to 72 m thick succession of predominantly thin-bedded subnodular to nodular (bioturbated) micrites and interbedded calcareous mudstones, with prominent calcarenites of very fine and coarse to very coarse sand grade. Calcarenites of very fine sand to small pebble conglomerate grade at first appear to have extensive lateral continuity. In detail, the bases of some of these units are clearly erosional, with large-scale elements including channels up to 1 m deep and at least 12 m wide. Pitted erosional surfaces, and erect hoodoo-like forms, known as “brioche” because of their resemblance to a variety of French bread (Baldwin and Johnston 1977; Long 1997), are developed locally."

Size classes: macrofossils, mesofossils

Preservation: original calcite

Collected by P. Copper

Collection methods: bulk,

Primary reference: K. Dewing. 1999. Late Ordovician and Early Silurian strophomenid brachiopods of Anticosti Island, Quebec, Canada. In A. D. McCracken (ed.), Palaeontographica Canadiana 17:1-143 [S. Finnegan/S. Finnegan]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 158803: authorized by Seth Finnegan, entered by Seth Finnegan on 22.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• Brachiopods only.
Show authors, comments, and common names
Strophomenata
 Strophomenida - Sowerbyellidae
"Sowerbyella (Eochonetes) vaurealensis" = Eochonetes vaurealensis
"Sowerbyella (Eochonetes) vaurealensis" = Eochonetes vaurealensis Dewing 1999