Type section in Kirkfield Quarry, near Bobcaygeon, Lake Simcoe Area: Chatfieldian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Astroporites ottawaensis
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"Othoceras" sp.
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Chlorophyceae
- Receptaculitidae
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Receptaculites sp.
Defrance 1827
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Chlorophyceae
- Dasycladales
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Pasceolus globosus
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Scyphozoa
- Conulariida
- Conulariidae
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Conularia trentonensis
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Anthozoa
- Stauriida
- Streptelasmatidae
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Streptelasma corniculum
Hall 1847
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Anthozoa
- Stauriida
- Lambelasmatidae
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Lambeophyllum profundum
(Conrad 1843)
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Cephalopoda
- Endocerida
- Endoceratidae
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Endoceras proteiforme
Hall 1847
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Cephalopoda
- Orthocerida
- Orthoceratidae
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"Orthoceras" arcuoliratum
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Gastropoda
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Holopea sp.
Hall 1847
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= Gastropoda sp.
Cuvier 1795
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Wagner 2023 | |||||||||
could be anything | ||||||||||
= Gastropoda indet.
Cuvier 1795
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Wagner 2023 | |||||||||
could be anything | ||||||||||
Gastropoda
- Murchisoniina
- Loxonematidae
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Hormotoma trentonensis
Ulrich and Scofield 1897
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recombined as Omospira trentonensis | ||||||||||
Gastropoda
- Murchisoniina
- Subulitidae
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Subulites conradi
Ulrich and Scofield 1897
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Subulites regularis
Ulrich and Scofield 1897
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Gastropoda
- Murchisoniina
- Hormotomidae
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Hormotoma simplex
Wilson 1932
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Hormotoma gracilis
(Hall 1847)
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Gastropoda
- Murchisoniina
- Murchisoniidae
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Hormotoma salteri
Ulrich and Scofield 1897
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recombined as Cyrtostropha salteri | ||||||||||
Hormotoma salteri canadensis | ||||||||||
Gastropoda
- Murchisoniina
- Eotomariidae
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Liospira cf. progne
(Billings 1860)
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Eotomaria larvata
(Salter 1859)
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recombined as Paraliospira larvata | ||||||||||
Gastropoda
- Murchisoniina
- Straparollinidae
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Straparollina cf. asperostriata
(Billings 1860)
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Gastropoda
- Bellerophontida
- Sinuitidae
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Sinuites cancellatus
(Hall 1847)
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Sinuites cancellatus and Sinuites cancellatus angularis | ||||||||||
Gastropoda
- Bellerophontida
- Temnodiscidae
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? Tropidodiscus disculus
(Billings 1860)
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recombined as Alaskadiscus disculus | ||||||||||
Gastropoda
- Bellerophontida
- Bucaniidae
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Phragmolites compressus
Conrad 1838
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Salpingostoma cf. billingsi
Wilson 1951
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Gastropoda
- Euomphalina
- Holopeidae
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Raphistomina distincta
(Wilson 1921)
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Raphistomina lapicida
(Salter 1859)
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Raphistomina aperta
(Salter 1859)
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Gastropoda
- Euomphalina
- Lesueurillidae
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Eccyliomphalus sp.
(Portlock 1843)
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= Eccyliopterus ottawaensis
Billings 1860
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Wagner 2023 | |||||||||
Eccyliomphalus is a common misspelling of Ecculiomphalus, and Ecculiomphalus commonly is confounded with Eccyliopterus | ||||||||||
Gastropoda
- Euomphalina
- Platyceratidae
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Cyclonema cf. cushingi
Ruedemann 1912
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Bivalvia
- Cyrtodontida
- Cyrtodontidae
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Cyrtodonta obtusa
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Bivalvia
- Myalinida
- Ambonychiidae
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Ambonychia sp.
Hall 1847
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Bivalvia
- Solemyida
- Ctenodontidae
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Ctenodonta cf. nasuta
(Hall 1847)
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Ctenodonta cf. nasuta robusta | ||||||||||
Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella sericea
(Sowerby 1839)
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recombined as Sowerbyella (Sowerbyella) sericea | ||||||||||
Sowerbyella subovalis
Wilson 1932
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Sowerbyella curdsvillensis
(Foerste 1912)
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Sowerbyella punctostriata
(Mather 1917)
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synonym of Sowerbyella curdsvillensis | ||||||||||
Strophomenata
- Strophomenida
- Furcitellidae
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? Microtrypa cf. plana
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synonym of Trigrammaria | ||||||||||
Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina sp.
Hall and Clarke 1892
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Rafinesquina carlottina
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Rafinesquina cf. deerensis
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Rafinesquina okulitchi
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Rafinesquina cf. patula
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Rafinesquina cf. praecursor
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Rafinesquina cf. alternata
(Conrad 1838)
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Rafinesquina alternata alata, Rafinesquina alternata intermedia, Rafinesquina alternata plana, Rafinesquina alternata platys, Rafinesquina alternata semiquadrata | ||||||||||
= Rafinesquina alata
Wilson 1944
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Wagner 2020 | |||||||||
original and current combination Rafinesquina alternata alata | ||||||||||
Rafinesquina trentonensis
(Hall 1847)
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Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena extensa
Wilson 1932
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Strophomena cf. filitexta
(Hall 1847)
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Strophomena cf. filitexta crenulata | ||||||||||
Strophomena dignata
Fenton 1928
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Strophomena magna
Wilson 1945
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Opikina ampla
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Opikina gloucesterensis
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Opikina ovalis
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Opikina wagneri
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Opikina platys
Wilson 1944
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Opikina rugosa
(Wilson 1921)
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Rhynchonellata
- Rhynchonellida
- Rhynchotrematidae
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Rhynchotrema intermedia
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Rhynchotrema increbescens
(Hall 1847)
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Rhynchonellata
- Orthida
- Plaesiomyidae
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Dinorthis iphigenia
(Billings 1865)
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recombined as Plaesiomys iphigenia | ||||||||||
Dinorthis cf. meedsi
(Winchell and Schuchert 1892)
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Dinorthis cf. meedsi plana | ||||||||||
Dinorthis pectinella
Emmons 1842
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Dinorthis pectinella and Dinorthis pectinella sweeneyi | ||||||||||
Rhynchonellata
- Orthida
- Hesperorthidae
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Hesperorthis tricenaria
(Conrad 1843)
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Rhynchonellata
- Orthida
- Plectorthidae
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Doleroides pervetus
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Doleroides pervetus ottawaensis | ||||||||||
Plectorthis ottawaensis
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Plectorthis cf. plicatella
(Hall 1847)
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Plectorthis cf. plicatella and Plectorthis plicatella trentonensis | ||||||||||
Rhynchonellata
- Orthida
- Platystrophiidae
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Platystrophia uxoris
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Platystrophia amoena
McEwan 1919
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Platystrophia amoena and Platystrophia cf. amoena longicardinalis | ||||||||||
Platystrophia trentonensis
McEwan 1919
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Rhynchonellata
- Orthida
- Dalmanellidae
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Resserella resupinata
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Paucicrura rogata
(Sardeson 1892)
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Resserella whittakeri
(Ruedemann 1921)
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original and current combination Dalmanella whittakeri | ||||||||||
Rhynchonellata
- Protorthida
- Skenidiidae
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? Skenidioides merope
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Rhynchonellata
- Atrypida
- Anazygidae
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Zygospira recurvirostris
(Hall 1847)
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recombined as Anazyga recurvirostra | ||||||||||
Zygospira deflecta
(Hall 1847)
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Lingulata
- Lingulida
- Pseudolingulidae
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Pseudolingula rectilateralis
(Emmons 1842)
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Pseudolingula rectilateralis major | ||||||||||
Pseudolingula cf. eva
(Billings 1861)
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Lingulata
- Lingulida
- Obolidae
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Lingula briseis
Billings 1865
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recombined as Palaeoglossa briseis | ||||||||||
Lingulata
- Lingulida
- Trematidae
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Trematis cf. ottawaensis
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Stenolaemata
- Cystoporata
- Ceramoporidae
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Favositella laxata
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Favositella sp.
Etheridge and Foord 1884
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Stenolaemata
- Cryptostomata
- Rhinidictyidae
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Rhinidictya sp.
Ulrich 1882
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Pachydictya acuta
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Pachydictya foliata
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Stenolaemata
- Cryptostomata
- Ptilodictyidae
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Stictoporella cribrosa
Ulrich 1886
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Stenolaemata
- Cryptostomata
- Escharoporidae
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Escharopora subrecta
Ulrich 1886
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Stenolaemata
- Trepostomata
- Trematoporidae
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Batostoma winchelli
Ulrich 1893
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Stenolaemata
- Trepostomata
- Heterotrypidae
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Dekayella trentonensis
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Stenolaemata
- Trepostomata
- Halloporidae
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Hallopora multitabulata
Ulrich 1886
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Stenolaemata
- Trepostomata
- Dittoporidae
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Hemiphragma ottawaense
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Stenolaemata
- Trepostomida
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Nicholsonella sp.
Ulrich 1890
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Nicholsonella wilsoni
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Stenolaemata
- Trepostomida
- Monticuliporidae
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Prasopora cf. grandis
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Prasopora insularis
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Prasopora simulatrix
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Mesotrypa quebecensis
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Homotrypa minnesotensis
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Homotrypa subramosa
Ulrich 1886
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Ostracoda
- Leperditicopida
- Leperditiidae
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Eoleperditia fabulites
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Leperditia sp.
Rouault 1851
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Leperditia trentonensis
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Trilobita
- Asaphida
- Asaphidae
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Isotelus gigas
(Dekay 1824)
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recombined as Asaphus gigas | ||||||||||
Isotelus iowensis
(Owen 1852)
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Trilobita
- Corynexochida
- Illaenidae
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Illaenus cf. conradi
Billings 1859
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recombined as Thaleops conradi | ||||||||||
Bumastus sp.
Murchison 1839
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Bumastoides milleri
(Billings 1859)
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Trilobita
- Proetida
- Proetidae
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Proetus sp.
Steininger 1831
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Trilobita
- Proetida
- Bathyuridae
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Bathyurus acutus
Raymond 1913
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Bathyurus extans
(Hall 1847)
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Raymondites ingalli
(Raymond 1913)
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recombined as Bathyurus (Raymondites) ingalli | ||||||||||
Raymondites ingalli and Raymondites cf. ingalli | ||||||||||
Raymondites cf. spiniger
(Hall 1847)
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recombined as Bathyurus (Raymondites) spiniger | ||||||||||
Trilobita
- Phacopida
- Encrinuridae
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Encrinurus cybeleformis
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Encrinurus trentonensis
Walcott 1880
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synonym of Erratencrinurus vigilans | ||||||||||
Trilobita
- Phacopida
- Cheiruridae
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Ceraurus pleurexanthemus
Green 1832
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Ceraurus dentatus
Raymond and Barton 1913
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recombined as Gabriceraurus dentatus | ||||||||||
Trilobita
- Phacopida
- Calymenidae
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Flexicalymene senaria
(Conrad 1841)
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recombined as Flexicalymene (Flexicalymene) senaria | ||||||||||
Trilobita
- Phacopida
- Pterygometopidae
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Chasmops sp.
M'Coy 1849
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Chasmops bebryx
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Pterygometopus sp.
Schmidt 1881
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Crinoidea
- Monobathrida
- Glyptocrinidae
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Glyptocrinus sp.
Hall 1847
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Crinoidea
- Diplobathrida
- Cleiocrinidae
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Cleiocrinus sp.
Billings 1857
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Crinoidea
- Cupulocrinidae
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Cupulocrinus jewetti
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Cupulocrinus humilis
(Billings 1857)
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Crinoidea
- Hybocrinida
- Hybocystitidae
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Hybocystites sp.
Wetherby 1880
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Crinoidea
- Dendrocrinida
- Dendrocrinidae
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Ottawacrinus sp.
Billings 1887
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Ottawacrinus typus
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Crinoidea
- Calceocrinida
- Calceocrinidae
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Cremacrinus rugosus
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Crinoidea
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Lichenocrinus sp.
Hall 1866
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Rhombifera
- Glyptocystitidae
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Glyptocystites grandis
Sinclair 1945
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Rhombifera
- Pleurocystitidae
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Pleurocystites squamosus
Billings 1874
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Edrioasteroidea
- Hemicystitidae
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Hemicystites billingsi
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Edrioasteroidea
- Edrioasterida
- Edrioasteridae
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Edrioaster bigsbyi
(Billings 1858)
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Cyclocystoidea
- Cyclocystoididae
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Cyclocystoides halli
Billings 1858
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see common names |
Geography
Country: | Canada | State/province: | Ontario |
Coordinates: | 44.5° North, 78.6° West (view map) | ||
Paleocoordinates: | 25.1° South, 54.7° West | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | local area |
Time
Period: | Ordovician | Epoch: | Late/Upper Ordovician |
10 m.y. bin: | Ordovician 4 | ||
*Period: | Middle Ordovician | *Epoch: | Caradocian | *Local age/stage: | Trentonian |
Key time interval: | Chatfieldian | Conodont zone: | Plectodina tenuis |
Age range of interval: | 460.90000 - 449.50000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Geological group: | Simcoe | Formation: | Bobcaygeon | Member: | Hull |
Stratigraphic resolution: | member | ||||
Stratigraphy comments: Now considered Hull Limestone member of Bobcaygeon. |
Lithology and environment
Primary lithology: | gray "limestone" |
Secondary lithology: | brown "limestone" |
Includes fossils? | Y |
Includes fossils? | Y |
Lithology description: "[A]bout 34 feet of grey, fine- and medium-grained limestone alternating with fine and medium granular calcarenitic limestone, and weathering grey. Some brown lithographic limestone is present between 23 and 24 feet above its base and a hard, bluish grey, fine- and medium-grained, in part crystalline, limestone occurs between 23 and 34 feet above its base. the latter 6 feet of limestone weathers light blue, into beds from 3 to 8 inches thick." | |
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 methods: | chemical,field collection |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 26263 | ||
Authorizer: | S. Holland, P. Wagner | Enterer: | T. Hanson, P. Wagner |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 2002-10-10 11:47:40 | Last modified: | 2018-04-11 21:37:06 |
Access level: | the public | Released: | 2002-10-10 11:47:40 |
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:
65064 | P. Wagner. 2020. Subspecies kluges: a pointless taxonomic database to create species opinions for subspecies that then will be over-ruled and allow subspecies occurrences to be recognized as the subspecies rather than the parent species. [P. Wagner/P. Wagner/P. Wagner] | |
9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |