Port-au-Choix, Newfoundland, Canada (Ordovician of Canada)

Also known as Reef 1389

Where: Newfoundland and Labrador, Canada (50.7° N, 57.4° W: paleocoordinates 28.2° S, 42.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Table Point Formation, Whiterock (468.1 - 460.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified floatstone and lithified bindstone

• Hemispherical mounds, circular to oval in plan, 0.2-1 m high, 1-6 m in diameter. Mostly floastone, skeletal bindstone common in the upper parts

Size classes: macrofossils, mesofossils

Collection methods: peel or thin section,

Primary reference: N. P. James and C. F. Klappa. 1989. Lithistid sponge bioherms, early Middle Ordovician, western Newfoundland. In H. H. J. Geldsetzer, N. P. James, and G. E. Tebbutt (eds.), Reefs, Canada and adjacent areas. Canadian Soc. Petrol. Geologists, Memoir 13:196-200 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 45283: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 19.10.2004, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella sp. Nicholson and Etheridge 1878
Cyanophyceae
  - Garwoodiaceae
Hedstroemia sp. Rothpletz 1913
Nuia
  -
Nuia sp. Maslov 1954
Rhodophyceae
  - Solenoporaceae
Solenopora sp. Dybowski 1877
Florideophyceae
 Corallinales - Corallinophycidae
Halysis sp. Hoeg 1932
Demospongiae
 Lithistida - Streptosolenidae
Eospongia sp. Billings 1861 demosponge
Hudsonospongia sp. Raymond and Okulitch 1940 demosponge
 Lithistida - Anthaspidellidae
Archaeoscyphia sp. Hinde 1889 demosponge
Anthaspidella sp. Ulrich and Everett 1889 demosponge
 Pulchrilaminida - Pulchrilaminidae
Pulchrilamina sp. Toomey and Ham 1967
Cephalopoda
  -
Cephalopoda indet. Cuvier 1797
Gastropoda
 Euomphalina - Macluritidae
Maclurites sp. Le Sueur 1818 snail
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Stenolaemata
 Trepostomata - Aisenvergiidae
Eridotrypa sp. Ulrich 1893
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
unclassified
  -