Chambly Canton, along W side of Richelieu River, 15 miles southeast of Montreal (Ordovician of Canada)

Where: Quebec, Canada (45.5° N, 73.3° W: paleocoordinates 25.6° S, 48.6° W)

• outcrop-level geographic resolution

When: Amplexograptus manitoulinensis graptolite zone, Sainte-Monique Member (Nicolet River Formation), Maysvillian (450.2 - 449.6 Ma)

• Was Lorraine Proteus Beds. Now Chambly beds of Nicolet River Formation, Sainte-Monique Member

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Reposited in the GSC

• Foerste (1914) also reports:

•Pholidops subtruncata Hall

•Strophomena planumbona

•Rafinesquina mucronata, sp. nov.

•Catazyga erratica, Hall

•Caritodens demissa, Conrad

•Colpomya faba pusilla, var. nov

•Pholadomorpha chambliensis, sp. nov

•Modiolopsis concentrica, Hall and Whitfield

•Modiolopsis postplicata, sp. nov

•Orthodesma approximatum, sp. nov.

•Cymatonota pholadis, Conrad

•Psiloconcha sinuata borealis, yar. nay.

•Whitella complanata, sp. nov.

•Clidophorus praevolutus, sp. nov.

•Ctenodonta lorrainensis, sp. nov.

•Lyrodesma poststriatum, (Emmons) Hall

•Rhytimya oehana, Ulrich

•Proetus chambliensis, sp. nov.

Primary reference: A. F. Foerste. 1914. Notes on the Lorraine faunas of New York and the Province of Quebec. Bulletin of the Scientific Laboratories of Denison University 17(1):247-328 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 155174: authorized by Pete Wagner, entered by Pete Wagner on 30.03.2014, edited by Susan Scholze

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Podocopida - Bythocyprididae
Bythocypris cylindrica Hall 1871 ostracod
Trilobita
 Proetida - Proetidae
Proetus chambliensis Foerste 1914 trilobite
Gastropoda
 Bellerophontida - Sinuitidae
Sinuites cancellatus Hall 1847 snail
 Bellerophontida - Pterothecidae
Pterotheca pentagona n. sp. Foerste 1914 snail
 Murchisoniina - Eotomariidae
Eotomaria remotistriata Foerste 1924 snail
Eotomaria cf. canalifera Ulrich and Scofield 1897 snail
 Murchisoniina - Hormotomidae
Hormotoma gracilis Hall 1847 snail
Hormotoma gracilis sublaxa
Rostroconchia
 Ribeirioida - Technophoridae
Technophorus quincuncialis n. sp. Foerste 1914
Technophorus n. ssp. punctostriatus quincuncialis
Tergomya
 Archinacellida - Archinacellidae
Archinacella pulaskiensis n. sp. Foerste 1914
Bivalvia
 Ostreida - Pterineidae
"Pterina (Caritodens) demissa" = Pterinea demissa
"Pterina (Caritodens) demissa" = Pterinea demissa Conrad 1842 oyster
 Myalinida - Ambonychiidae
Byssonychia radiata Hall 1847 clam
 Modiomorphida - Modiomorphidae
Pholadomorpha chambliensis Foerste 1914 clam
Orthodesma approximatum Foerste 1914 clam
Craniata
 Craniopsida - Craniopsidae
Strophomenata
 Strophomenida - Strophomenidae
Strophomena planumbona Hall 1847
Strophomena planumbona chambliensis
 Strophomenida - Rafinesquinidae
 Strophomenida - Plectambonitidae
Rhynchonellata
 Atrypida - Anazygidae
Catazyga headi Billings 1862