Craigleith vicinity, Georgian Bay area, Lake Simcoe area (Ordovician to of Canada)

Where: Ontario, Canada (45.5° N, 81.0° W)

• Paleocoordinates: 13.3° S, 107.6° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Climacograptus pygmaeus graptolite zone, Craigleith Member (Whitby Formation), Edenian to Edenian (451.0 - 449.6 Ma)

• Was given as Lower Member. This is equivalent to the Collingwood Formation.

• member-level stratigraphic resolution

Environment/lithology: deep subtidal; pyritic, black, calcareous shale

• Reducing conditions in stagnant, non-aerated water; slow quiet sedimentation, moderate depth.
• Black to dark grey, fissile, highly petroliferous and calcareous shales. Pyrite common throughout.

Size class: macrofossils

Preservation: replaced with pyrite

Collection methods: Fossils collected by Dr. J. F. Caley and/or the writer, identified by officers of the Geological Survey of Canada.

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 26295: authorized by Steven Holland, entered by Tori Hanson on 11.10.2002, edited by Pete Wagner

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Olenida - Olenidae
Triarthrus eatoni, Triarthrus canadensis, Triarthrus cf. huguesensis
Triarthrus eatoni Hall 1838 trilobite
Triarthrus canadensis Smith 1861 trilobite
Triarthrus cf. huguesensis Foerste 1924 trilobite
[Triarthrus cf. huhuensis[
 Corynexochida - Illaenidae
"Illaenus americanus" = Thaleops laurentiana
"Illaenus americanus" = Thaleops laurentiana Amati and Westrop 2004 trilobite
 Asaphida - Asaphidae
Isotelus platycephalus, Homotelus stegops, "Pseudogygites canadensis" = Pseudogygites latimarginatus
Homotelus stegops Green 1832 trilobite
"Pseudogygites canadensis" = Pseudogygites latimarginatus Hall 1847 trilobite
 Phacopida - Calymenidae
Flexicalymene meeki
Flexicalymene meeki Foerste 1910 trilobite
 Phacopida - Cheiruridae
"Ceraurus dentatus" = Gabriceraurus dentatus
"Ceraurus dentatus" = Gabriceraurus dentatus Raymond and Barton 1913 trilobite
Ostracoda
 Palaeocopida - Euprimitiidae
Primitiella ulrichi
Cephalopoda
 Endocerida - Endoceratidae
Endoceras proteiforme
 Dissidocerida - Geisonoceratidae
Geisonoceras tenuistriatum
 Pseudorthocerida - Spyroceratidae
"Spyroceras" bilineatum
Bivalvia
 Pholadomyida - Pholadomyidae
cf. Rhytimya compressa
cf. Rhytimya compressa Ulrich 1893 clam
 Modiomorphida - Modiomorphidae
cf. Goniophora carinata, Modiolopsis brevis, Modiolopsis cf. oweni
 Solemyida - Ctenodontidae
Ctenodonta elongata, Ctenodonta georgina, "Ctenodonta cf. levata" = Ctenodonta peracuta
"Ctenodonta cf. levata" = Ctenodonta peracuta Raymond 1905 clam
Gastropoda
  -
Gastropoda sp.
Gastropoda sp. Cuvier 1795 snail
Polychaeta
 Serpulimorpha -
Serpulites serratus, Serpulites isolatus
Stenolaemata
 Cryptostomata - Palescharidae
Paleschara sp.
Lingulata
 Lingulida - Lingulasmatidae
"Lingula cobourgensis" = Lingulasma cobourgensis, "Lingula philomela" = Lingulasma philomela, "Lingula progne" = Lingulasma progne
"Lingula cobourgensis" = Lingulasma cobourgensis Billings 1865
"Lingula philomela" = Lingulasma philomela Billings 1865
"Lingula progne" = Lingulasma progne Billings 1862
 Lingulida - Pseudolingulidae
"Lingula curta" = Pseudolingula curta
"Lingula curta" = Pseudolingula curta Conrad 1842
 Lingulida - Obolidae
Leptobolus insignis, "Lingula obtusa" = Lingulella obtusa
"Lingula obtusa" = Lingulella obtusa Hall 1847
Strophomenata
 Strophomenida - Rafinesquinidae
Rafinesquina camerata, Rafinesquina cf. sardesoni, Rafinesquina trentonensis, Leptaena ? moniquensis
Leptaena ? moniquensis Foerste 1924
Leptaena "rhomboidalis"
 Strophomenida - Strophomenidae
Strophomena incurvata
Strophomena incurvata Shephard 1838
 Strophomenida - Sowerbyellidae
"Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea, Sowerbyella minnesotensis
"Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea Sowerby 1839
Rhynchonellata
 Orthida - Dalmanellidae
Paucicrura rogata, "Dalmanella" rugostriata
Paucicrura rogata Sardeson 1892
 Orthida - Heterorthidae
""Dalmanella" emacerata" = Heterorthina emacerata
""Dalmanella" emacerata" = Heterorthina emacerata Hall 1860
 Atrypida - Anazygidae
Zygospira modesta
Crinoidea
 Monobathrida - Glyptocrinidae
Glyptocrinus sp., Schizocrinus cf. nodosus
Glyptocrinus sp. Hall 1847 Sea lily
  -
Lichenocrinus sp.
Lichenocrinus sp. Hall 1866 Sea lily
Pterobranchia
 Graptoloidea - Phyllograptidae
Phyllograptus cf. laevis
 Graptoloidea - Diplograptidae
Diplograptus sp., "Lasiograptus eucharis" = Orthograptus eucharis, "Glossograptus quadrimucronatus" = Orthograptus quadrimucronatus
Diplograptus sp. graptolite
"Lasiograptus eucharis" = Orthograptus eucharis Hall 1865 graptolite
"Glossograptus quadrimucronatus" = Orthograptus quadrimucronatus Hall 1865 graptolite
 Graptoloidea - Dicranograptidae
"Leptograptus flaccidus" = Dicellograptus
"Leptograptus flaccidus" = Dicellograptus graptolite
 Graptoloidea - Climacograptidae
Climacograptus aqualis, Climacograptus prolificus, Climacograptus typicalis
Climacograptus aqualis climacograptid
Climacograptus typicalis Hall 1865 climacograptid
Scyphozoa
 Conulariida - Conulariidae
Conularia trentonensis
Conularia trentonensis jellyfish
C. trentonensis latior