Cow Head, reefal clasts of unit 10 (Ordovician of Canada)

Also known as Reef 2458

Where: Newfoundland and Labrador, Canada (49.9° N, 57.8° W)

• Paleocoordinates: 2.8° S, 84.4° W (Wright 2013)

• 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 10

• bed-level stratigraphic resolution

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

• redeposited reefal blocks in deep water limestone, Girvanella boundstones

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 80771: authorized by Wolfgang Kiessling, entered by Uta Merkel on 07.05.2008

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Nuia
  -
Nuia sp.
Nuia sp. Maslov 1954
Epiphyton
  - Ludloviaceae
Epiphyton sp.
Epiphyton sp. Bornemann 1886
Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella sp.
Girvanella sp. Nicholson and Etheridge 1878
unclassified
  -
Porifera indet.
Porifera indet. Grant 1836
Demospongiae
 Lithistida - Anthaspidellidae
? Archaeoscyphia sp.
? Archaeoscyphia sp. Hinde 1889 demosponge
Brachiopoda
  -
Brachiopoda indet.
Brachiopoda indet. Cuvier 1805
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Cephalopoda
 Nautiloidea -
Nautiloidea indet.
Nautiloidea indet. Agassiz 1847 nautiloid
Trilobita
  -
Trilobita indet.
Trilobita indet. Walch 1771 trilobite
unclassified
  -
Echinodermata indet.