1 km southwest of Wekwemikong, Bed 13 (Ordovician of Canada)

Also known as reef 1901

Where: Ontario, Canada (45.8° N, 81.7° W: paleocoordinates 21.6° S, 52.2° W)

• coordinate based on nearby landmark

When: Kagawong Member (Georgian Bay Formation), Richmondian (449.6 - 445.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• bioclatic sand

Size class: macrofossils

Primary reference: P. Copper and D. J. Grawbarger. 1978. Paleoecological succession leading to a late Ordovician biostrome on Manitoulin Island, Ontario. Canadian Journal of Earth Sciences 15:1987-2005 [W. Kiessling/B. Bookhagen/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 22960: authorized by Wolfgang Kiessling, entered by Britta Bookhagen on 04.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
 Sarcinulida -
Columnopora huronensis
Columnopora huronensis tabulate coral
reef builder
 Stauriida - Stauriidae
Cyathophylloides sp.
Cyathophylloides sp. Dybowski 1873 horn coral
reef builder
 Stauriida - Streptelasmatidae
"Streptelasma rusticum" = Helicelasma rusticum
"Streptelasma rusticum" = Helicelasma rusticum Billings 1858 horn coral
Stromatoporoidea
 Labechiida - Labechiidae
Labechia huronense
Labechia huronense stromatoporoid sponge
reef builder
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
Stenolaemata
 Trepostomata - Halloporidae
Hallopora cf. aequalis
 Trepostomata - Trematoporidae
"Batostoma" sp.
"Batostoma" sp. Ulrich 1882
 Trepostomida - Amplexoporidae
Rhombotrypa quadrata
Rhombotrypa quadrata Rominger 1866
Rhynchonellata
 Atrypida - Anazygidae
Zygospira kentuckiensis
Zygospira kentuckiensis Hall and Clarke 1895
unclassified
  -
Annelida indet.
Annelida indet. Lamarck 1809
Cephalopoda
 Oncocerida - Oncoceratidae
Beloitoceras ligarius
 Oncocerida - Valcouroceratidae
Manitoulinoceras lysander
 Pseudorthocerida - Spyroceratidae
Spyroceras hammeli
Gastropoda
 Bellerophontida - Bucaniidae
Bucania sp.
Bucania sp. Hall 1847 snail
 Bellerophontida - Bellerophontidae
"Bellerophon parksi" = Sphenosphaera mohri
"Bellerophon parksi" = Sphenosphaera mohri Miller 1874 snail
 Murchisoniina - Eotomariidae
"Liospira helena" = Paraliospira helena
"Liospira helena" = Paraliospira helena Billings 1860 snail
 Murchisoniina - Lophospiridae
"Lophospira cf. belli" = Ruedemannia humilis, "Lophospira cf. manitouliensis" = Paupospira manitouliensis, Lophospira cf. sp.
"Lophospira cf. belli" = Ruedemannia humilis Ulrich and Scofield 1897 snail
"Lophospira cf. manitouliensis" = Paupospira manitouliensis Foerste 1924 snail
Lophospira cf. sp. Whitfield 1886 snail
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod
Tetradium
  -
"Tetradium ontario" = Tetradium huronense
"Tetradium ontario" = Tetradium huronense Billings 1865
reef builder