Nicolet River Section, Lorraine Fm. (Ordovician of Canada)

Where: Québec, Canada (46.2° N, 72.6° W: paleocoordinates 25.1° S, 47.8° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Lorraine Formation, Maysvillian (450.2 - 449.6 Ma)

• "Cryptolithus zone and Pholadomorpha zone, Leptaena zone and Proetus zone = Lorraine Fm", in Foerste (1924)

Environment/lithology: 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 173121: authorized by Björn Kröger, entered by Susan Scholze on 10.09.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Podocopida - Bythocyprididae
Bythocypris cylindrica Hall 1871 ostracod
 Palaeocopida - Hollinidae
Ctenobolbina ciliata Emmons 1855 ostracod
Trilobita
 Trinucleida - Trinucleidae
"Cryptolithus bellulus" = Cryptolithus tessellatus
"Cryptolithus bellulus" = Cryptolithus tessellatus Green 1832 trilobite
 Asaphida - Asaphidae
Isotelus gigas Dekay 1824 trilobite
 Olenida - Olenidae
Triarthrus huguesensis Foerste 1924 trilobite
 Phacopida - Calymenidae
Calymene sp. Brongniart 1822 trilobite
 Proetida - Proetidae
Proetus chambliensis Foerste 1914 trilobite
Gastropoda
 Bellerophontida - Sinuitidae
Sinuites cancellatus Hall 1847 snail
 Bellerophontida - Pterothecidae
Pterotheca pentagona Foerste 1914 snail
 Murchisoniina - Lophospiridae
"Lophospira bowdeni" = Paupospira bowdeni
"Lophospira bowdeni" = Paupospira bowdeni Safford 1869 snail
 Murchisoniina - Hormotomidae
Hormotoma gracilis Hall 1847 snail
Hormotoma gracilis sublaxa
Tergomya
 Archinacellida - Archinacellidae
Bivalvia
 Nuculanida - Nuculanidae
Clidophorus planulatus Conrad 1847 pointed nut clam
Clidophorus postvolutus Foerste 1924 pointed nut clam
 Solemyida - Ctenodontidae
Ctenodonta chambliensis Foerste 1924 clam
 Nuculida - Praenuculidae
"Ctenodonta filistriata" = Homilodonta filistriata
"Ctenodonta filistriata" = Homilodonta filistriata Ulrich 1894 clam
 Cyrtodontida - Cyrtodontidae
"Whitella complanata" = Cyrtodontula complanata
"Whitella complanata" = Cyrtodontula complanata Foerste 1914 clam
Whitella complanata moniquensis
 Ostreida - Pterineidae
"Pterina (Caritodens) demissa" = Pterinea demissa
"Pterina (Caritodens) demissa" = Pterinea demissa Conrad 1842 oyster
 Myalinida - Ambonychiidae
Byssonychia radiata Hall 1847 clam
 Modiomorphida - Modiomorphidae
Cymatonota recta Ulrich 1893 clam
Craniata
 Craniopsida - Craniopsidae
Strophomenata
 Strophomenida - Rafinesquinidae
Rhynchonellata
 Orthida - Plectorthidae
 Atrypida - Anazygidae
Catazyga headi Billings 1862