Lake Simcoe Area: Turinian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Tetradium halysitoides
Tetradium cf. syringoporoides
Florideophyceae
Tetradium fibratum Safford 1856
recombined as Prismostylus fibratum
Stromatoporoidea - Labechiida - Stromatoceriidae
Stromatocerium rugosum Hall 1847
Anthozoa - Stauriida - Lambelasmatidae
Lambeophyllum profundum (Conrad 1843)
Gastropoda - Murchisoniina - Hormotomidae
Hormotoma sp. (Salter 1859)
Hormotoma gracilis (Hall 1847)
Gastropoda - Murchisoniina - Trochonematidae
Trochonema sp. Salter 1859
Gastropoda - Murchisoniina - Eotomariidae
Gastropoda - Euomphalina - Holopeidae
Raphistomina lapicida (Salter 1859)
Gastropoda - Euomphalina - Helicotomidae
Helicotoma sp. Salter 1859
Helicotoma planulata Salter 1859
Bivalvia - Solemyida - Ctenodontidae
Ctenodonta cf. gibberula
Strophomenata - Strophomenida - Furcitellidae
Opikina minnesotensis (Winchell 1881)
recombined as Oepikina minnesotensis
Strophomenata - Strophomenida - Rafinesquinidae
Rafinesquina sp. Hall and Clarke 1892
Rafinesquina cf. trentonensis (Hall 1847)
Strophomenata - Strophomenida - Strophomenidae
Strophomena sp. Rafinesque and De Blainville 1824
Strophomena cf. minuta
Rhynchonellata - Atrypida - Anazygidae
Zygospira recurvirostris (Hall 1847)
recombined as Anazyga recurvirostra
Ostracoda - Leperditicopida - Leperditiidae
Eoleperditia fabulites
Leperditia amygdalina
Ostracoda - Leperditicopida - Isochilinidae
Isochilina sp. (Jones 1858)
Trilobita - Corynexochida - Illaenidae
Bumastus sp. Murchison 1839
Trilobita - Proetida - Bathyuridae
Bathyurus johnstoni
Bathyurus cf. extans (Hall 1847)
Trilobita - Phacopida - Pterygometopidae
Calliops callicephalus (Hall 1847)
recombined as Calyptaulax callicephalus
see common names

Geography
Country:Canada State/province:Ontario
Coordinates: 44.7° North, 78.8° West (view map)
Paleocoordinates:24.9° South, 54.8° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4
*Period:Middle Ordovician *Epoch:Caradoc
*Local age/stage:Blackriveran
Key time interval:Turinian Conodont zone: Phragmodus undatus
Age range of interval:460.90000 - 449.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Simcoe Formation:Gull River Member:Upper
Stratigraphic resolution:member
Stratigraphy comments: Correlates to the Lowville Formation in New York State; correlates paleontologically with the Chaumont of that state.
Lithology and environment
Primary lithology:gray "limestone"
Includes fossils?Y
Lithology description: Lithographic, sublithographic, and semi-crystalline limestone. Gray, greenish gray, brownish gray.
Environment:open shallow subtidal
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,microfossils
Collection methods and comments
Collection methods:chemical,field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:26174
Authorizer:S. Holland Enterer:T. Hanson
Modifier:P. Wagner Research group:marine invertebrate
Created:2002-10-07 13:08:34 Last modified:2018-04-13 15:59:43
Access level:the public Released:2002-10-07 13:08:34
Creative Commons license:CC BY
Reference information

Primary reference:

7251. B. A. Liberty. 1969. Palaeozoic geology of the Lake Simcoe Area, Ontario. Geological Survey of Canada Memoirs (355)1-201 [S. Holland/T. Hanson/T. Hanson]