PBDB Collection

Camperdown, Nottawasaga Bay, Lake Simcoe Area (Ordovician of Canada)

Where: Ontario, Canada (44.5° N, 80.4° W: paleocoordinates 23.8° S, 53.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Climacograptus pygmaeus graptolite zone, Thornbury Member (Whitby Formation), Maysvillian (450.2 - 449.6 Ma)

• Charts make it clear that it's Maysvillian. This is now considered part of the Blue Mountain formation

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; gray, blue shale and brown, carbonaceous shale

• Shallow but clear water.

• Gray and blue shale; gray, bluish and greenish soft shale and clay shale, weathers gray, bluish gray, with minor brown, bituminous and carbonaceous shale. Sometimes compact with hackly or conchoidal fracture, moderately fossiliferous.

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 26302: authorized by Steven Holland, entered by Tori Hanson on 11.10.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Pterobranchia
Graptoloidea - Climacograptidae	Climacograptus prolificus, Climacograptus rougensis Climacograptus prolificus climacograptid Climacograptus rougensis climacograptid
Graptoloidea - Diplograptidae	"Glossograptus quadrimucronatus" = Orthograptus quadrimucronatus, Diplograptus montis, Diplograptus cf. vespertinus "Glossograptus quadrimucronatus" = Orthograptus quadrimucronatus Hall 1865 graptolite Diplograptus montis graptolite Diplograptus cf. vespertinus graptolite
Graptoloidea - Dicranograptidae	"Leptograptus flaccidus" = Dicellograptus "Leptograptus flaccidus" = Dicellograptus graptolite
Graptoloidea - Mastigograptidae	Mastigograptus tenuiramosus Mastigograptus tenuiramosus Walcott 1883 graptolite
Cephalopoda
Dissidocerida - Geisonoceratidae	cf. Protokionoceras oneidaense, Geisonoceras tenuistriatum cf. Protokionoceras oneidaense Geisonoceras tenuistriatum
Pseudorthocerida - Spyroceratidae	"cf. Cycloceras persculptum" = Spyroceras persculptum "cf. Cycloceras persculptum" = Spyroceras persculptum Ruedemann 1926
Gastropoda
Murchisoniina - Eotomariidae	Liospira cf. micula Liospira cf. micula Hall and Whitney 1862 snail
Bellerophontida - Plectonotidae	Tetranota cf. rugosa Tetranota cf. rugosa Emmons 1855 snail
Tergomya
Archinacellida - Archinacellidae	Archinacella cf. subcarinata Archinacella cf. subcarinata Ulrich and Scofield 1897
Bivalvia
Nuculida - Praenuculidae	"Ctenodonta filistriata" = Homilodonta filistriata "Ctenodonta filistriata" = Homilodonta filistriata Ulrich 1894 clam
Nuculanida - Cucullellidae	"Cleidophorus planulatus" = Nuculites planulatus, "Cleidophorus neglectus" = Nuculites "Cleidophorus planulatus" = Nuculites planulatus Conrad 1841 clam "Cleidophorus neglectus" = Nuculites clam
Unioni - Lyrodesmatidae	Lyrodesma conradi Lyrodesma conradi clam
Tentaculita
Cornulitida - Cornulitidae	Cornulites cf. progressus Cornulites cf. progressus
Craniata
Craniopsida - Craniopsidae	"Pholidops cincinnatiensis" = Craniops "Pholidops cincinnatiensis" = Craniops
Strophomenata
Strophomenida - Sowerbyellidae	"Sowerbyella cf. clarkesvillensis" = Eochonetes clarksvillensis "Sowerbyella cf. clarkesvillensis" = Eochonetes clarksvillensis Foerste 1912 Sowerbyella cf. rugosa clarkesvillensis
Strophomenida - Rafinesquinidae	Leptaena cf. moniquensis Leptaena cf. moniquensis Foerste 1924
Rhynchonellata
Orthida - Dalmanellidae	Dalmanella lorrainensis Dalmanella lorrainensis "Dalmanella" fulmonensis lorrainensis
Lingulata
Lingulida - Obolidae	Leptobolus insignis Leptobolus insignis Hall 1871
Lingulida - Pseudolingulidae	"Lingula cf. curta" = Pseudolingula curta "Lingula cf. curta" = Pseudolingula curta Conrad 1842
Stenolaemata
Trepostomida - Monticuliporidae	Aspidopora sp. Aspidopora sp. Ulrich 1882
Cystoporata - Ceramoporidae	Spatiopora delicatula Spatiopora delicatula
Cryptostomata - Palescharidae	Paleschara beani Paleschara beani
Ostracoda
Leperditellocopida - Aparchitidae	Aparchites minutissimus Aparchites minutissimus ostracod
Trilobita
Olenida - Olenidae	Triarthrus huguesensis, Triarthrus rougensis Triarthrus huguesensis Foerste 1924 trilobite [Triarthrus huguensis] Triarthrus rougensis Parks 1921 trilobite Triarthrus spinosus rougensis
Phacopida - Calymenidae	Flexicalymene meeki Flexicalymene meeki Foerste 1910 trilobite
Asaphida - Asaphidae	Homotelus stegops Homotelus stegops Green 1832 trilobite
Trinucleida - Trinucleidae	Cryptolithus lorrainensis, "Cryptolithus tesselatus" = Cryptolithus tessellatus, "Cryptolithus bellulus" = Cryptolithus tessellatus, Cryptolithus cf. recurvus Cryptolithus lorrainensis trilobite "Cryptolithus tesselatus" = Cryptolithus tessellatus Green 1832 trilobite Cryptolithus tessellatus "Cryptolithus bellulus" = Cryptolithus tessellatus Green 1832 trilobite Cryptolithus cf. recurvus Ulrich 1919 trilobite
Palaeoscolecida
-	Protoscolex sp. Protoscolex sp.