Anticosti Island, Rhuddanian, Becscie Fm - Patzkowsky (Silurian of Canada)

Where: Quebec, Canada (49.5° N, 63.0° W: paleocoordinates 21.7° S, 36.0° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Becscie Formation, Rhuddanian (443.4 - 440.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified mudstone and lithified, argillaceous packstone

• Lithologic description is for entire formation.
• Fine, medium, skeletal lime packstone and grainstone; less lime mudstone and wackestone, intrarudstone and ball-and-pillow slump structures common. Minor reefal and siliciclastic zones in middle and upper parts of formation.

Size class: macrofossils

Collection methods: Anthozoa from the various formations of Anticosti Island.

Primary reference: T. E. Bolton. 1981. Late Ordovician and Early Anthozoa of Anticosti Island, Quebec. IUGS Subcommission on Silurian Stratigraphy, Ordovician - Silurian Boundary Working Group, Field Meeting, Anticosti - Gaspe, Quebec, 1981 2:107-109 [M. Patzkowsky/Z. Krug]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 12938: authorized by Mark Patzkowsky, entered by Zack Krug on 11.01.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Anthozoa only.
Show authors, comments, and common names
Anthozoa
 Heliolitida - Halysitidae
Catenipora sp.
Catenipora sp. Lamarck 1816 tabulate coral
 Heliolitida - Coccoserididae
Acidolites sp.
Acidolites sp. Lang et al. 1940 tabulate coral
 Heliolitida - Proporidae
Propora conferta
Propora conferta tabulate coral
 Lichenariida - Lyoporidae
Reuschia sp.
Reuschia sp. Kiaer 1930 tabulate coral
 Favositida - Favositidae
Paleofavosites sp., Paleofavosites prolificus, Paleofavosites asper
Paleofavosites sp. Twenhofel 1914 tabulate coral
Paleofavosites asper tabulate coral
 Stauriida - Streptelasmatidae
Dinophyllum aff. D. hannah
Dinophyllum aff. D. hannah Lindström 1882 horn coral
 Stauriida - Kyphophyllidae
Strombodes socialis
 Stauriida - Calostylidae
Calostylis sp.
Calostylis sp. Lindström 1868 horn coral
 Stauriida - Ptychophyllidae
Cyathactis sp., Cyathactis aff. C. cormorantense
Cyathactis sp. Soshkina 1955 horn coral
Cyathactis aff. C. cormorantense Soshkina 1955 horn coral
 Stauriida - Amplexidae
Amplexoides sp.
Amplexoides sp. Wang 1947 horn coral
 Stauriida - Stauriidae
Palaeophyllum sp.
Palaeophyllum sp. Billings 1858 horn coral
 Stauriida - Entelophyllidae
? Petrozium pelagicum