The Jumpers, Zone 4: Alexandrian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Euomphalina - Platyceratidae
Diaphorostoma niagarense (Hall 1852)
original and current combination Platyostoma niagarensis
Diaphorostoma humile (Billings 1866)
recombined as Platyostoma humile
Gastropoda - Murchisoniina - Phanerotrematidae
? Spirorapha communis (Billings 1866)
recombined as Phanerotrema communis
Gastropoda - Murchisoniina - Gosseletinidae
Spirorapha cryptata (Billings 1866)
recombined as Spiroraphe cryptata
Gastropoda - Murchisoniina - Hormotomidae
? Hormotoma funata (Billings 1866)
see common names

Geography
Country:Canada State/province:Québec
Coordinates: 49.4° North, 63.6° West (view map)
Paleocoordinates:21.1° South, 35.7° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Silurian Epoch:Llandovery
10 m.y. bin:Silurian 1
Key time interval:Alexandrian
Age range of interval:443.80000 - 438.70000 m.y. ago
Stratigraphy
Geological group:Anticosti Formation:Jupiter Member:Zone 4
Local section:Jumpers Local bed:199 - 279 ft
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Lower Jupiter Formation; Monograptus clintonensis zone
Lithology and environment
Primary lithology:blue argillaceous "limestone"
Secondary lithology: calcareous "shale"
Includes fossils?Y
Includes fossils?Y
Lithology description: Light blue and drab, soft, agillaceous limestone or highly calcareous shale
Environment:carbonate indet.
Geology comments: Environmental call by T. Hanson.
Taphonomy
Size of fossils:macrofossils,microfossils
Collection methods and comments
Collection excludes:all microfossils,some macrofossils
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Museum repositories:YPM
Taxonomic list comments:Brachiopods, trilobites, corals, bryozoans, ostradoces and conoconts included in collection. These need taxonomic data first.
Metadata
Database number:63786
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2006-08-20 16:51:58 Last modified:2006-09-13 16:59:44
Access level:the public Released:2006-08-20 16:51:57
Creative Commons license:CC BY
Reference information

Primary reference:
11416. W. H. Twenhofel. 1928. Geology of Anticosti Island. Geological Survey of Canada Memoir 154(2132):1-351 [P. Wagner/P. Wagner/P. Wagner]