Anticosti Island, Cap a l'Aigle, Becscie Formation Member 1 (Ordovician to of Canada)

Where: Québec, Canada (49.8° N, 64.3° W: paleocoordinates 21.6° S, 37.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Oulodus nathani conodont zone, Fox Point Member (Becscie Formation), Hirnantian to Hirnantian (445.2 - 440.8 Ma)

• Bolton's Member 6, Ellis Bay Formation; Entered as Alexandrian, Bescie Member 1.

• member-level stratigraphic resolution

Environment/lithology: gray limestone

• Environmental call by T. Hanson.
• "[M]ainly dense, brown-grey to blue-grey, reddish tinged, thin bedded crinoidal grainstone and packstone. . . . [T[hick- to thin-bedded, lime mudstone to rare skeletal wackestone and grainstone, brown, locally rippled-marked, with minor lenses or beds of limestone conglomerate (intrarudstone), some reddish tinged."

Size class: macrofossils

Collection methods: Bryozoans also found in collection.

Primary reference: C. R. Barnes, A. A. Petryk, and T. E. Bolton. 1981. Anticosti Island, Québec. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 1:1-24 [S. Holland/T. Hanson/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24387: authorized by Steven Holland, entered by Tori Hanson on 06.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
? Atrypnina aamachiana, Fospirigerina praemarginalis
Crinoidea
 Calceocrinida - Calceocrinidae
Calceocrinus sp.
Calceocrinus sp. Hall 1852 Sea lily
 Monobathrida - Glyptocrinidae
? Glyptocrinus sp.
? Glyptocrinus sp. Hall 1847 Sea lily
Pterobranchia
 Graptoloidea - Normalograptidae
"Climacograptus normalis" = Normalograptus normalis
"Climacograptus normalis" = Normalograptus normalis Lapworth 1877 graptolite
Rhynchonellata
 Pentamerida - Parastrophinidae
Parastrophinella reversa
Strophomenata
 Strophomenida - Rafinesquinidae
Leptaena sp.
Leptaena sp. Dalman 1828
Lingulata
 Lingulida - Trematidae
Trematis sp.
Trematis sp. Sharpe 1848
Trilobita
 Lichida - Lichidae
Lichas sp.
Lichas sp. Dalman 1827 trilobite
 Odontopleurida - Odontopleuridae
Primaspis sp., Primaspis reversa
Primaspis sp. Richter and Richter 1917 trilobite