Cow Head, reefal clasts of unit 12 (Ordovician of Canada)

Also known as Reef 2458

Where: Newfoundland and Labrador, Canada (49.9° N, 57.8° W: paleocoordinates 31.0° S, 46.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Factory Cove Member (Shallow Bay Formation), Arenig (478.6 - 466.0 Ma)

• megaconglomerate unit 12

• bed-level stratigraphic resolution

Environment/lithology: platform or shelf-margin reef; lithified reef rocks

• redeposited reefal blocks in deep water limestone

Size class: macrofossils

Primary reference: S. M. L. Pohler and N. P. James. 1989. Reconstruction of a Lower/Middle Ordovician carbonate shelf margin: Cow Head Group, western Newfoundland. Facies 21:189-262 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 80772: authorized by Wolfgang Kiessling, entered by Uta Merkel on 07.05.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
 Life -
"? Wetheredella sp." = Allonema
"? Wetheredella sp." = Allonema
Florideophyceae
 Corallinales - Corallinophycidae
Halysis sp.
Halysis sp. Hoeg 1932
Epiphyton
  - Ludloviaceae
Epiphyton sp.
Epiphyton sp. Bornemann 1886
 Pulchrilaminida - Pulchrilaminidae
? Pulchrilamina sp.
? Pulchrilamina sp. Toomey and Ham 1967
Demospongiae
 Lithistida - Anthaspidellidae
Anthaspidellidae indet.
Anthaspidellidae indet. Miller 1889 demosponge
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Trilobita
  -
Trilobita indet.
Trilobita indet. Walch 1771 trilobite
Renalcis
  - Chabakoviacea
Renalcis sp.
Renalcis sp. Vologdin 1932
Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella sp.
Girvanella sp. Nicholson and Etheridge 1878