Where: Ontario, Canada (44.4° N, 78.8° W: paleocoordinates 25.1° S, 54.9° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Climacograptus americanus - Orthograptus ruedemanni graptolite zone, Lower Member (Verulam Formation), Chatfieldian (453.8 - 451.0 Ma)
• M5 - M6
• member-level stratigraphic resolution
Environment/lithology: deep subtidal; gray, argillaceous limestone and green shale
Size class: macrofossils
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 26273: authorized by Steven Holland, entered by Tori Hanson on 10.10.2002, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Pterobranchia | |
Climacograptus sp. Hall 1865 climacograptid | |
Cephalopoda | |
"Orthoceras" sp. Breynius 1832 | |
Endoceras proteiforme Hall 1847 | |
Gastropoda | |
Cyclonema cf. montrealense Billings 1865 snail | |
Helicotoma sp. Salter 1859 snail | |
"Bucania cf. punctifrons" = Undulabucania punctifrons, "Salpingostoma expansum" = Salpingostoma expansa
"Bucania cf. punctifrons" = Undulabucania punctifrons Emmons 1842 snail
"Salpingostoma expansum" = Salpingostoma expansa Hall 1847 snail | |
Sinuites cancellatus Hall 1847 snail | |
"Hormotoma bellicincta" = Eroicaspira bellicincta
"Hormotoma bellicincta" = Eroicaspira bellicincta Hall 1847 snail | |
"Lophospira perangulata" = Lophospira perangulata, "Lophospira perforata" = Lophospira perangulata, Lophospira serrulata, Lophospira ventricosa
"Lophospira perangulata" = Lophospira perangulata Hall 1847 snail
"Lophospira perforata" = Lophospira perangulata Hall 1847 snail
Lophospira serrulata Salter 1859 snail
Lophospira ventricosa Hall 1847 snail | |
"Trochonema umbilicatum" = Trochonema umbilicata, Trochonema fragile
"Trochonema umbilicatum" = Trochonema umbilicata Hall 1847 snail
Trochonema fragile Ulrich and Scofield 1897 snail | |
Omospira alexandra Billings 1865 snail | |
Hormotoma simplex Wilson 1932 snail
Hormotoma gracilis Hall 1847 snail | |
"Hormotoma salteri" = Cyrtostropha salteri
| |
Bivalvia | |
Ctenodonta logani Salter 1859 clam
Ctenodonta nasuta Hall 1847 clam | |
Orthodesma cf. canaliculatum Ulrich 1894 clam | |
Lingulata | |
Lingula sp. BruguiƩre 1797 | |
"Lingula narrawayi" = Lingulella narrawayi
"Lingula narrawayi" = Lingulella narrawayi Wilson 1946 | |
Rhynchonellata | |
Rhynchotrema increbescens Hall 1847 | |
"Zygospira recurvirostris" = Anazyga recurvirostra
"Zygospira recurvirostris" = Anazyga recurvirostra Hall 1847 | |
Plectorthis sp. Hall and Clarke 1892 | |
Paucicrura rogata Sardeson 1892 | |
Strophomenata | |
Strophomena delicatula, Strophomena cf. billingsi, Opikina auriculata, Opikina rugosa, Opikina platys
Strophomena cf. billingsi Winchell and Schuchert 1893
Opikina platys Wilson 1944 | |
Rafinesquina calderi, Rafinesquina camerata, Rafinesquina esmondensis, Rafinesquina pota1, Rafinesquina quadrata1, Rafinesquina trentonensis, "Rafinesquina alata" = Rafinesquina alternata alata1, "Rafinesquina platys" = Rafinesquina alternata platys1, "Rafinesquina intermedia" = Rafinesquina alternata intermedia1, Rafinesquina deltoidea
Rafinesquina trentonensis Hall 1847
"Rafinesquina intermedia" = Rafinesquina alternata intermedia1 Wilson 1944 R. alternata intermedia and R. alternata alata and R. alternata plana and R. alternata platys and R. alternata pota and R. alternata quadrata
Rafinesquina deltoidea Conrad 1838 | |
Sowerbyella subovalis, "Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea, "Sowerbyella cf. curdsvillensis" = Sowerbyella curdsvillensis, "Sowerbyella punctostriata" = Sowerbyella curdsvillensis
Sowerbyella subovalis Wilson 1932
"Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea Sowerby 1839
"Sowerbyella cf. curdsvillensis" = Sowerbyella curdsvillensis Foerste 1912
"Sowerbyella punctostriata" = Sowerbyella curdsvillensis Foerste 1912 | |
Vellamo cf. trentonensis Raymond 1921 | |
Stenolaemata | |
Eridotrypa aedilis Eichwald 1855 | |
Hallopora cf. dumalis Ulrich 1893 | |
Batostoma winchelli Ulrich 1893 | |
Mesotrypa quebecensis, Mesotrypa whiteavesi, cf. Homotrypa minnesotensis, Prasoporina selwyni, Prasoporina semioculata, Prasopora simulatrix
| |
Escharopora sp. Hall 1847
Escharopora cf. subrecta Ulrich 1886 | |
Trilobita | |
"Raymondites ingalli" = Bathyurus (Raymondites) ingalli
"Raymondites ingalli" = Bathyurus (Raymondites) ingalli Raymond 1913 trilobite | |
"Illaenus americanus" = Thaleops laurentiana
"Illaenus americanus" = Thaleops laurentiana Amati and Westrop 2004 trilobite | |
Hemiarges cf. paulianus Clarke 1894 trilobite | |
Isotelus cf. maximus Locke 1838 trilobite | |
"Flexicalymene senaria" = Flexicalymene (Flexicalymene) senaria
"Flexicalymene senaria" = Flexicalymene (Flexicalymene) senaria Conrad 1841 trilobite | |
Calyptaulax alatus, "Calliops callicephalus" = Calyptaulax callicephalus, "Calyptaulax calderi" = Sceptaspis lincolnensis, cf. Achatella achates
Calyptaulax alatus trilobite
"Calliops callicephalus" = Calyptaulax callicephalus Hall 1847 trilobite
"Calyptaulax calderi" = Sceptaspis lincolnensis Branson 1909 trilobite
cf. Achatella achates Billings 1860 trilobite | |
Ceraurus pleurexanthemus, "Ceraurus dentatus" = Gabriceraurus dentatus
Ceraurus pleurexanthemus Green 1832 trilobite
"Ceraurus dentatus" = Gabriceraurus dentatus Raymond and Barton 1913 trilobite | |
Scyphozoa | |
Conularia sp. jellyfish
Conularia trentonensis jellyfish |