The Jumpers, Anticosti Island: Alexandrian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Cystiphyllida - Tryplasmatidae
Porpites sp. Schlotheim 1820
Anthozoa - Stauriida - Kodonophyllidae
Trilobita - Corynexochida - Illaenidae
Stenopareia sp. Holm 1886
Gastropoda - Euomphalina - Platyceratidae
Gastropoda - Bellerophontida - Bucaniidae
unclassified
Bivalvia - Myalinida - Ambonychiidae
Ambonychia sp. Hall 1847
Rhynchonellata - Pentamerida - Stricklandiidae
Rhynchonellata - Spiriferida - Cyrtiidae
Eospirifer radiatus (Sowerby 1834)
Crinoidea - Monobathrida - Eucalyptocrinitidae
Eucalyptocrinites sp. Goldfuss 1831
see common names

Geography
Country:Canada State/province:Québec
Coordinates: 49.4° North, 63.6° West (view map)
Paleocoordinates:22.1° South, 87.0° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Silurian Epoch: Llandovery
10 m.y. bin: Silurian 1
*Period:Early/Lower Silurian *Epoch:Late/Upper Llandoverian - Early/Lower Wenlockian
*Local age/stage:Alexandrian - Niagaran
Key time interval: Alexandrian Conodont zone:  Icriodella inconstans
Age range of interval: 443.8 - 438.7 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Anticosti Formation:Chicotte Member:Brisantes
Stratigraphic resolution:member
Stratigraphy comments: Was member 1. This is Brisantes now.
Lithology and environment
Primary lithology:brown "limestone"
Secondary lithology:gray "shale"
Includes fossils?Y
Includes fossils?Y
Lithology description: Massive- to thick-bedded, white to pink and brown, medium to coarse skeletal, crinoidal grainstone, less coarse than overlying beds.
Environment:carbonate indet.
Geology comments: Environmental call by T. Hanson
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,microfossils
Collection methods and comments
Collection excludes:all microfossils
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: Icriodella inconstans Zone conodonts. Laterally, bioherms are present, containing tabulate corals (halvsitids, favositids and heliolitids, and stromatoporids.
Metadata
Also known as:Anticosti Island, The Jumpers, Chicotte Formation Member 1
Database number:24441
Authorizer:S. Holland Enterer:T. Hanson
Modifier:P. Wagner Research group:marine invertebrate
Created:2002-08-07 14:56:49 Last modified:2025-02-22 15:12:02
Access level:the public Released:2002-08-07 14:56:49
Creative Commons license:CC0
Reference information

Primary reference:
6866. 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]