Clay cliff, Meaford Member (Ordovician of Canada)

Where: Ontario, Canada (45.7° N, 81.6° W: paleocoordinates 21.6° S, 52.1° W)

• coordinate estimated from map

When: Meaford Member (Georgian Bay Formation), Richmondian (449.6 - 445.5 Ma)

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: A. F. Foerste. 1924. Upper Ordovician faunas of Ontario and Quebec. Geological Survey of Canada Memoir 138(121):1-99 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 173012: authorized by Björn Kröger, entered by Susan Scholze on 08.09.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Strophomenata
 Strophomenida - Strophomenidae
Strophomena nutans, Strophomena huronensis
Strophomena nutans Hall and Clarke 1892
Strophomena huronensis Foerste 1912
Rhynchonellata
 Orthida - Dalmanellidae
Dalmanella sp., Dalmanella manitoulinensis
Dalmanella sp. Hall and Clarke 1892
 Orthida - Glyptorthidae
Glyptorthis insculpta
Glyptorthis insculpta Hall 1847
Glyptorthis insculpta manitoulinensis
 Orthida - Plectorthidae
Hebertella occidentalis
Cephalopoda
 Pseudorthocerida - Spyroceratidae
Spyroceras parksi
 Endocerida - Endoceratidae
Endoceras sp.
Endoceras sp. Hall 1847
 Ascocerida - Ascoceratidae
Billingsites manitoulinense
 Oncocerida - Valcouroceratidae
Kindleoceras reversatum, Kindleoceras triangulare, Manitoulinoceras postumius, Manitoulinoceras lysander
 Orthocerida - Sactoceratidae
Sactoceras sp., Sactoceras manitoulinense
Sactoceras sp. Hyatt 1884
 Orthocerida - Proteoceratidae
"Spyroceras hammelli" = Gorbyoceras hammelli
"Spyroceras hammelli" = Gorbyoceras hammelli Foerste 1910
 Actinocerida - Actinoceratidae
Actinoceras lambei
Actinoceras lambei Foerste 1924
Tergomya
 Tryblidiida - Proplinidae
"Vallatotheca manitoulinensis" = Vallatotheca manitoulini
"Vallatotheca manitoulinensis" = Vallatotheca manitoulini Foerste 1914
 Archinacellida - Archinacellidae
Archinacella kagawongensis
 Cyrtonellida - Cyrtolitidae
Cyrtolites ornatus
Cyrtolites ornatus Conrad 1838
Gastropoda
 Bellerophontida - Bellerophontidae
"Bellerophon parksi" = Sphenosphaera mohri, "Oxydiscus perstriatus" = Joleaudella perstriatus
"Bellerophon parksi" = Sphenosphaera mohri Miller 1874 snail
"Oxydiscus perstriatus" = Joleaudella perstriatus Foerste 1924 snail
 Murchisoniina - Lophospiridae
"Lophospira belli" = Ruedemannia humilis
"Lophospira belli" = Ruedemannia humilis Ulrich and Scofield 1897 snail
 Murchisoniina - Eotomariidae
Clathrospira subconica
Clathrospira subconica Hall 1847 snail
 Murchisoniina - Phanerotrematidae
"Lophospira kindlei" = Brachytomaria kindlei
"Lophospira kindlei" = Brachytomaria kindlei Foerste 1924 snail
Bivalvia
 Cyrtodontida - Cyrtodontidae
Ortonella sp.
 Modiomorphida - Modiomorphidae
Modiolopsis vera, Modiolopsis brevantica, Modiolopsis manitoulinensis
Modiolopsis vera Foerste 1924 clam
Modiolopsis brevantica Foerste 1916 clam
Modiolopsis manitoulinensis Foerste 1924 clam
 Unioni - Lyrodesmatidae
Lyrodesma postplanum, Lyrodesma poststriatum
Lyrodesma postplanum Foerste 1924 clam
Lyrodesma poststriatum Emmons 1842 clam
Lyrodesma poststriatum manitoulinense
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia manitoulinensis
Leperditia manitoulinensis Foerste 1924 ostracod
Anthozoa
 Heliolitida - Coccoserididae
Protaraea richmondensis
Protaraea richmondensis Foerste 1909 tabulate coral