Craigleith vicinity, Georgian Bay area, Lake Simcoe area: Edenian - Maysvillian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Scyphozoa - Conulariida - Conulariidae
Conularia trentonensis
C. trentonensis latior
Pterobranchia - Graptoloidea - Phyllograptidae
Phyllograptus cf. laevis
Pterobranchia - Graptoloidea - Diplograptidae
Diplograptus sp.
Glossograptus quadrimucronatus (Hall 1865)
recombined as Orthograptus quadrimucronatus
Lasiograptus eucharis (Hall 1865)
recombined as Orthograptus eucharis
Pterobranchia - Graptoloidea - Dicranograptidae
Leptograptus flaccidus
synonym of Dicellograptus
Pterobranchia - Graptoloidea - Climacograptidae
Climacograptus aqualis
Climacograptus prolificus
Climacograptus typicalis Hall 1865
Crinoidea
Lichenocrinus sp. Hall 1866
Crinoidea - Monobathrida - Glyptocrinidae
Schizocrinus cf. nodosus
Glyptocrinus sp. Hall 1847
Stenolaemata - Cryptostomata - Palescharidae
Paleschara sp.
Rhynchonellata - Atrypida - Anazygidae
Zygospira modesta (Hall 1847)
Rhynchonellata - Orthida - Dalmanellidae
"Dalmanella" rugostriata
Paucicrura rogata (Sardeson 1892)
Rhynchonellata - Orthida - Heterorthidae
"Dalmanella" emacerata (Hall 1860)
recombined as Heterorthina emacerata
Strophomenata - Strophomenida - Sowerbyellidae
Sowerbyella sericea (Sowerby 1839)
recombined as Sowerbyella (Sowerbyella) sericea
Sowerbyella minnesotensis (Sardeson 1892)
Strophomenata - Strophomenida - Strophomenidae
Strophomena incurvata (Shephard 1838)
Strophomenata - Strophomenida - Rafinesquinidae
Rafinesquina camerata
Rafinesquina cf. sardesoni
Rafinesquina trentonensis (Hall 1847)
Leptaena rhomboidalis (Wahlenberg 1818)
Leptaena "rhomboidalis"
    = Leptaena ? moniquensis Foerste 1924
Wagner 2023
Lingulata - Lingulida - Pseudolingulidae
Lingula curta Conrad 1842
recombined as Pseudolingula curta
Lingulata - Lingulida - Obolidae
Leptobolus insignis Hall 1871
Lingula obtusa Hall 1847
recombined as Lingulella obtusa
Lingulata - Lingulida - Lingulasmatidae
Lingula philomela Billings 1865
recombined as Lingulasma philomela
Lingula progne Billings 1862
recombined as Lingulasma progne
Lingula cobourgensis Billings 1865
recombined as Lingulasma cobourgensis
Polychaeta - Serpulimorpha
Serpulites serratus
Serpulites isolatus
Bivalvia - Modiomorphida - Modiomorphidae
cf. Goniophora carinata
Modiolopsis brevis
Modiolopsis cf. oweni
Bivalvia - Pholadomyida - Pholadomyidae
cf. Rhytimya compressa Ulrich 1893
Bivalvia - Solemyida - Ctenodontidae
Ctenodonta elongata
Ctenodonta georgina
Ctenodonta cf. levata Raymond 1902
synonym of Ctenodonta peracuta
Cephalopoda - Pseudorthocerida - Spyroceratidae
"Spyroceras" bilineatum (Hall 1847)
Cephalopoda - Dissidocerida - Geisonoceratidae
Geisonoceras tenuistriatum
Cephalopoda - Endocerida - Endoceratidae
Endoceras proteiforme Hall 1847
Gastropoda
Pleurotomaria sp. Defrance 1826
    = Gastropoda sp. Cuvier 1795
Wagner 2023
Ostracoda - Hollinocopida - Euprimitiidae
Primitiella ulrichi
Trilobita - Olenida - Olenidae
Triarthrus cf. huguesensis Foerste 1924
[Triarthrus cf. huhuensis[
Triarthrus canadensis Smith 1861
Triarthrus eatoni (Hall 1838)
Trilobita - Asaphida - Asaphidae
Pseudogygites canadensis (Chapman 1856)
synonym of Pseudogygites latimarginatus
Isotelus platycephalus
Homotelus stegops (Green 1832)
Trilobita - Corynexochida - Illaenidae
Illaenus americanus Billings 1859
replaced by Thaleops laurentiana
Trilobita - Phacopida - Calymenidae
Flexicalymene meeki (Foerste 1910)
Trilobita - Phacopida - Cheiruridae
Ceraurus dentatus Raymond and Barton 1913
recombined as Gabriceraurus dentatus
see common names

Geography
Country:Canada State/province:Ontario
Coordinates: 45.5° North, 81.0° West (view map)
Paleocoordinates:23.3° South, 55.6° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
Stage:Katian 10 m.y. bin:Ordovician 5
*Period:Middle Ordovician - Late/Upper Ordovician *Epoch:Caradocian
*Local age/stage:Edenian
Key time interval:Edenian - Maysvillian Graptolite zone: Climacograptus pygmaeus
Age range of interval:451.10000 - 449.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Nottawasaga Formation:Whitby Member:Craigleith
Stratigraphic resolution:member
Stratigraphy comments: Was given as Lower Member. This is equivalent to the Collingwood Formation.
Lithology and environment
Primary lithology:pyritic,black calcareous "shale"
Includes fossils?Y
Lithology description: Black to dark grey, fissile, highly petroliferous and calcareous shales. Pyrite common throughout.
Environment:deep subtidal indet.
Geology comments: Reducing conditions in stagnant, non-aerated water; slow quiet sedimentation, moderate depth.
Taphonomy
Modes of preservation:body,replaced with pyrite
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: Fossils collected by Dr. J. F. Caley and/or the writer, identified by officers of the Geological Survey of Canada.
Metadata
Database number:26295
Authorizer:S. Holland, P. Wagner Enterer:T. Hanson, P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2002-10-11 12:38:54 Last modified:2018-04-03 21:12:24
Access level:the public Released:2002-10-11 12:38:54
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]

Secondary references:

16217 S. A. Northrop. 1939. Paleontology and stratigraphy of the Silurian rocks of the Port Daniel-Black Cape Region, Gaspé. Geological Society of America Special Paper 21:1-302 [P. Wagner/P. Wagner]
9042 P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner]