PBDB Collection

Type section in Kirkfield Quarry, near Bobcaygeon, Lake Simcoe Area (Ordovician of Canada)

Where: Ontario, Canada (44.5° N, 78.6° W: paleocoordinates 25.1° S, 54.7° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Plectodina tenuis conodont zone, Hull Member (Bobcaygeon Formation), Chatfieldian (453.8 - 451.0 Ma)

• Now considered Hull Limestone member of Bobcaygeon.

• member-level stratigraphic resolution

Environment/lithology: gray limestone and brown limestone

• Environmental call by T. Hanson.

• "[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."

Size classes: macrofossils, microfossils

Collection methods: chemical,

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 26263: authorized by Steven Holland, entered by Tori Hanson on 10.10.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Astroporites ottawaensis, "Othoceras" sp. Astroporites ottawaensis "Othoceras" sp.
Cyclocystoidea
- Cyclocystoididae	Cyclocystoides halli Cyclocystoides halli Billings 1858
Edrioasteroidea
Edrioasterida - Edrioasteridae	Edrioaster bigsbyi Edrioaster bigsbyi Billings 1858
- Hemicystitidae	Hemicystites billingsi Hemicystites billingsi
Crinoidea
-	Lichenocrinus sp. Lichenocrinus sp. Hall 1866 Sea lily
Calceocrinida - Calceocrinidae	Cremacrinus rugosus Cremacrinus rugosus Sea lily
Hybocrinida - Hybocystitidae	Hybocystites sp. Hybocystites sp. Wetherby 1880 Sea lily
Flexibilia - Cupulocrinidae	Cupulocrinus jewetti, Cupulocrinus humilis Cupulocrinus jewetti Sea lily Cupulocrinus humilis Billings 1857 Sea lily
Dendrocrinida - Dendrocrinidae	Ottawacrinus sp., Ottawacrinus typus Ottawacrinus sp. Billings 1887 Sea lily Ottawacrinus typus Sea lily
Monobathrida - Glyptocrinidae	Glyptocrinus sp. Glyptocrinus sp. Hall 1847 Sea lily
Diplobathrida - Cleiocrinidae	Cleiocrinus sp. Cleiocrinus sp. Billings 1857 Sea lily

Rhombifera - Glyptocystitidae	Glyptocystites grandis Glyptocystites grandis Sinclair 1945
Rhombifera - Pleurocystitidae	Pleurocystites squamosus Pleurocystites squamosus Billings 1874
Lingulata
Lingulida - Pseudolingulidae	Pseudolingula rectilateralis, Pseudolingula cf. eva Pseudolingula rectilateralis Emmons 1842 Pseudolingula rectilateralis major Pseudolingula cf. eva Billings 1861
Lingulida - Obolidae	"Lingula briseis" = Palaeoglossa briseis "Lingula briseis" = Palaeoglossa briseis Billings 1865
Lingulida - Trematidae	Trematis cf. ottawaensis Trematis cf. ottawaensis
Strophomenata
Strophomenida - Sowerbyellidae	Sowerbyella subovalis, "Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea, "Sowerbyella curdsvillensis" = Sowerbyella curdsvillensis, "Sowerbyella punctostriata" = Sowerbyella curdsvillensis Sowerbyella subovalis Wilson 1932 "Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea Sowerby 1839 "Sowerbyella curdsvillensis" = Sowerbyella curdsvillensis Foerste 1912 "Sowerbyella punctostriata" = Sowerbyella curdsvillensis Foerste 1912
Strophomenida - Furcitellidae	"? Microtrypa cf. plana" = Trigrammaria "? Microtrypa cf. plana" = Trigrammaria
Strophomenida - Rafinesquinidae	Rafinesquina sp., Rafinesquina carlottina, Rafinesquina cf. deerensis, Rafinesquina okulitchi, Rafinesquina cf. patula, Rafinesquina cf. praecursor, "Rafinesquina alata" = Rafinesquina alternata alata¹, Rafinesquina trentonensis Rafinesquina sp. Hall and Clarke 1892 Rafinesquina carlottina Rafinesquina cf. deerensis Rafinesquina okulitchi Rafinesquina cf. patula Rafinesquina cf. praecursor "Rafinesquina alata" = Rafinesquina alternata alata¹ Wilson 1944 Rafinesquina alternata alata, Rafinesquina alternata intermedia, Rafinesquina alternata plana, Rafinesquina alternata platys, Rafinesquina alternata semiquadrata Rafinesquina trentonensis Hall 1847
Strophomenida - Strophomenidae	Strophomena magna, Strophomena extensa, Strophomena dignata, Strophomena cf. filitexta, Opikina ampla, Opikina gloucesterensis, Opikina ovalis, Opikina wagneri, Opikina rugosa, Opikina platys Strophomena magna Wilson 1945 Strophomena extensa Wilson 1932 Strophomena dignata Fenton 1928 Strophomena cf. filitexta Hall 1847 Strophomena cf. filitexta crenulata Opikina ampla Opikina gloucesterensis Opikina ovalis Opikina wagneri Opikina rugosa Wilson 1921 Opikina platys Wilson 1944
Rhynchonellata
Atrypida - Anazygidae	Zygospira deflecta, "Zygospira recurvirostris" = Anazyga recurvirostra Zygospira deflecta Hall 1847 "Zygospira recurvirostris" = Anazyga recurvirostra Hall 1847
Orthida - Dalmanellidae	"Resserella whittakeri" = Dalmanella whittakeri, Paucicrura rogata, Resserella resupinata "Resserella whittakeri" = Dalmanella whittakeri Ruedemann 1921 Paucicrura rogata Sardeson 1892 Resserella resupinata
Orthida - Plaesiomyidae	"Dinorthis iphigenia" = Plaesiomys iphigenia, Dinorthis cf. meedsi, Dinorthis pectinella "Dinorthis iphigenia" = Plaesiomys iphigenia Billings 1865 Dinorthis cf. meedsi Winchell and Schuchert 1892 Dinorthis cf. meedsi plana Dinorthis pectinella Emmons 1842 Dinorthis pectinella and Dinorthis pectinella sweeneyi
Orthida - Hesperorthidae	Hesperorthis tricenaria Hesperorthis tricenaria Conrad 1843
Orthida - Plectorthidae	Plectorthis ottawaensis, Plectorthis cf. plicatella, Doleroides pervetus Plectorthis ottawaensis Plectorthis cf. plicatella Hall 1847 Plectorthis cf. plicatella and Plectorthis plicatella trentonensis Doleroides pervetus Doleroides pervetus ottawaensis
Orthida - Platystrophiidae	Platystrophia uxoris, Platystrophia amoena, Platystrophia trentonensis Platystrophia uxoris Platystrophia amoena McEwan 1919 Platystrophia amoena and Platystrophia cf. amoena longicardinalis Platystrophia trentonensis McEwan 1919
Protorthida - Skenidiidae	? Skenidioides merope ? Skenidioides merope
Rhynchonellida - Rhynchotrematidae	Rhynchotrema intermedia, Rhynchotrema increbescens Rhynchotrema intermedia Rhynchotrema increbescens Hall 1847
Stenolaemata
Trepostomida - Monticuliporidae	Homotrypa minnesotensis, Homotrypa subramosa, Prasopora cf. grandis, Prasopora insularis, Prasopora simulatrix, Mesotrypa quebecensis Homotrypa minnesotensis Homotrypa subramosa Ulrich 1886 Prasopora cf. grandis Prasopora insularis Prasopora simulatrix Mesotrypa quebecensis
Trepostomida -	Nicholsonella sp., Nicholsonella wilsoni Nicholsonella sp. Ulrich 1890 Nicholsonella wilsoni
Cryptostomata - Escharoporidae	Escharopora subrecta Escharopora subrecta Ulrich 1886
Cryptostomata - Ptilodictyidae	Stictoporella cribrosa Stictoporella cribrosa Ulrich 1886
Cryptostomata - Rhinidictyidae	Pachydictya acuta, Pachydictya foliata, Rhinidictya sp. Pachydictya acuta Pachydictya foliata Rhinidictya sp. Ulrich 1882
Cystoporata - Ceramoporidae	Favositella laxata, Favositella sp. Favositella laxata Favositella sp. Etheridge and Foord 1884
Trepostomata - Trematoporidae	Batostoma winchelli Batostoma winchelli Ulrich 1893
Trepostomata - Dittoporidae	Hemiphragma ottawaense Hemiphragma ottawaense
Trepostomata - Halloporidae	Hallopora multitabulata Hallopora multitabulata Ulrich 1886
Trepostomata - Heterotrypidae	Dekayella trentonensis Dekayella trentonensis
Cephalopoda
Endocerida - Endoceratidae	Endoceras proteiforme Endoceras proteiforme Hall 1847
Orthocerida - Orthoceratidae	"Orthoceras" arcuoliratum "Orthoceras" arcuoliratum
Gastropoda
-	Gastropoda indet.² Gastropoda indet.² Cuvier 1795 snail
Bellerophontida - Bucaniidae	Phragmolites compressus, Salpingostoma cf. billingsi Phragmolites compressus Conrad 1838 snail Salpingostoma cf. billingsi Wilson 1951 snail
Bellerophontida - Temnodiscidae	"? Tropidodiscus disculus" = Alaskadiscus disculus "? Tropidodiscus disculus" = Alaskadiscus disculus Billings 1860 snail
Bellerophontida - Sinuitidae	Sinuites cancellatus Sinuites cancellatus Hall 1847 snail Sinuites cancellatus and Sinuites cancellatus angularis
Euomphalina - Platyceratidae	Cyclonema cf. cushingi Cyclonema cf. cushingi Ruedemann 1912 snail
Euomphalina - Lesueurillidae	Eccyliopterus ottawaensis² Eccyliopterus ottawaensis² Billings 1860 snail
Euomphalina - Holopeidae	Raphistomina distincta, Raphistomina lapicida, Raphistomina aperta Raphistomina distincta Wilson 1921 snail Raphistomina lapicida Salter 1859 snail Raphistomina aperta Salter 1859 snail
Murchisoniina - Subulitidae	Subulites conradi, Subulites regularis Subulites conradi Ulrich and Scofield 1897 snail Subulites regularis Ulrich and Scofield 1897 snail
Murchisoniina - Hormotomidae	Hormotoma simplex, Hormotoma gracilis Hormotoma simplex Wilson 1932 snail Hormotoma gracilis Hall 1847 snail
Murchisoniina - Murchisoniidae	"Hormotoma salteri" = Cyrtostropha salteri "Hormotoma salteri" = Cyrtostropha salteri Ulrich and Scofield 1897 snail Hormotoma salteri canadensis
Murchisoniina - Straparollinidae	Straparollina cf. asperostriata Straparollina cf. asperostriata Billings 1860 snail
Murchisoniina - Eotomariidae	"Eotomaria larvata" = Paraliospira larvata, Liospira cf. progne "Eotomaria larvata" = Paraliospira larvata Salter 1859 snail Liospira cf. progne Billings 1860 snail
Murchisoniina - Loxonematidae	"Hormotoma trentonensis" = Omospira trentonensis "Hormotoma trentonensis" = Omospira trentonensis Ulrich and Scofield 1897 snail
Bivalvia
Solemyida - Ctenodontidae	Ctenodonta cf. nasuta Ctenodonta cf. nasuta Hall 1847 clam Ctenodonta cf. nasuta robusta
Myalinida - Ambonychiidae	Ambonychia sp. Ambonychia sp. Hall 1847 clam
Cyrtodontida - Cyrtodontidae	Cyrtodonta obtusa Cyrtodonta obtusa clam
Ostracoda
Leperditicopida - Leperditiidae	Leperditia sp., Leperditia trentonensis, Eoleperditia fabulites Leperditia sp. Rouault 1851 ostracod Leperditia trentonensis ostracod Eoleperditia fabulites ostracod
Trilobita
Corynexochida - Illaenidae	"Illaenus cf. conradi" = Thaleops conradi, Bumastoides milleri, Bumastus sp. "Illaenus cf. conradi" = Thaleops conradi Billings 1859 trilobite Bumastoides milleri Billings 1859 trilobite Bumastus sp. Murchison 1839 trilobite
Asaphida - Asaphidae	Isotelus iowensis, Isotelus gigas Isotelus iowensis Owen 1852 trilobite Isotelus gigas Dekay 1824 trilobite
Phacopida - Calymenidae	"Flexicalymene senaria" = Flexicalymene (Flexicalymene) senaria "Flexicalymene senaria" = Flexicalymene (Flexicalymene) senaria Conrad 1841 trilobite
Phacopida - Encrinuridae	Encrinurus cybeleformis, "Encrinurus trentonensis" = Erratencrinurus vigilans Encrinurus cybeleformis trilobite "Encrinurus trentonensis" = Erratencrinurus vigilans Hall 1847 trilobite
Phacopida - Cheiruridae	"Ceraurus dentatus" = Gabriceraurus dentatus, Ceraurus pleurexanthemus "Ceraurus dentatus" = Gabriceraurus dentatus Raymond and Barton 1913 trilobite Ceraurus pleurexanthemus Green 1832 trilobite
Phacopida - Pterygometopidae	Chasmops sp., Chasmops bebryx, Pterygometopus sp. Chasmops sp. M'Coy 1849 trilobite Chasmops bebryx trilobite Pterygometopus sp. Schmidt 1881 trilobite
Proetida - Proetidae	Proetus sp. Proetus sp. Steininger 1831 trilobite
Proetida - Bathyuridae	Bathyurus extans, "Raymondites cf. spiniger" = Bathyurus (Raymondites) spiniger, "Raymondites ingalli" = Bathyurus (Raymondites) ingalli, Bathyurus acutus Bathyurus extans Hall 1847 trilobite "Raymondites cf. spiniger" = Bathyurus (Raymondites) spiniger Hall 1847 trilobite "Raymondites ingalli" = Bathyurus (Raymondites) ingalli Raymond 1913 trilobite Raymondites ingalli and Raymondites cf. ingalli Bathyurus acutus Raymond 1913 trilobite
Anthozoa
Stauriida - Streptelasmatidae	Streptelasma corniculum Streptelasma corniculum Hall 1847 horn coral
Stauriida - Lambelasmatidae	Lambeophyllum profundum Lambeophyllum profundum Conrad 1843 horn coral
Scyphozoa
Conulariida - Conulariidae	Conularia trentonensis Conularia trentonensis jellyfish
Chlorophyceae
- Receptaculitidae	Receptaculites sp. Receptaculites sp. Defrance 1827
Dasycladales -	Pasceolus globosus Pasceolus globosus

¹Wagner 2020; ²Wagner 2023