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

Where: Quebec, Canada (49.5° N, 63.0° W: paleocoordinates 22.5° S, 33.6° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Chicotte Formation, Telychian (438.5 - 433.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• Lithologic description is for the formation as a whole.
• Medium, granular rudaceous crinoidal-skeletal limestone; reefal; minor bioherms.

Size class: macrofossils

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 12941: authorized by Mark Patzkowsky, entered by Zack Krug on 11.01.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Anthozoa only.
 Favositida - Alveolitidae
Subalveolites sp. Sokolov 1955 tabulate coral
 Favositida - Favositidae
Favosites favosus Goldfuss 1826 tabulate coral
 Heliolitida - Proporidae
Propora glabra tabulate coral
 Heliolitida - Heliolitidae
 Heliolitida - Halysitidae
Catenipora micropora tabulate coral
 Cystiphyllida - Palaeocyclidae
Palaeocyclus sp. Milne-Edwards and Haime 1849 horn coral
 Stauriida - Entelophyllidae