N Anticosti Island, Mill Bay coral patch reefs (Ordovician of Canada)

Also known as Reef 1413

Where: Quebec, Canada (49.6° N, 62.7° W: paleocoordinates 24.3° S, 39.6° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Mill Bay Member (Vaureal Formation), Rawtheyan (455.8 - 445.6 Ma)

• upper Vaureal Formation

• group of beds-level stratigraphic resolution

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

• patch reefs, up to 15 m wide and 4-5 m thick

Size class: macrofossils

Primary reference: P. Copper. 2001. Reefs during the multiple crises towards the Ordovician-Silurian boundary: Anticosti Island, eastern Canada, and worldwide. Canadian Journal of Earth Sciences 38(2):153-171 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 80603: authorized by Wolfgang Kiessling, entered by Uta Merkel on 29.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Girvanella sp. Nicholson and Etheridge 1878
Bryozoa indet. Ehrenberg 1831
 Favositida - Favositidae
Paleofavosites sp. Twenhofel 1914 tabulate coral
 Sarcinulida - Syringophyllidae
Calapoecia sp. Billings 1865 tabulate coral
 Tabulata -
Columnopora sp. Nicholson 1874 tabulate coral
 Heliolitida - Halysitidae
Catenipora sp. Lamarck 1816 tabulate coral
 Heliolitida - Coccoserididae
Coccoseris sp. Eichwald 1855 tabulate coral
 Heliolitida - Palaeoporitidae
Protrochiscolithus sp. Troedsson 1928 tabulate coral
 Heliolitida -
Ellisites sp. Dixon et al. 1986 tabulate coral
 Stauriida - Stauriidae
 Labechiida -
Labechiida indet. Kühn 1927
 Labechiida - Aulaceratidae
Aulacera nodulosa Billings 1857
 Clathrodictyida -
Clathrodictyida indet. Bogoyavlenskaya 1969
 Spongiostroma -
 Ichnofossils -
Trypanites sp. Mägdefrau 1932