St. Martin Junction near Montreal, Chazy Group (Ordovician of Canada)

Where: Quebec, Canada (45.6° N, 73.7° W)

• Paleocoordinates: 9.0° S, 100.3° W (Wright 2013)

• coordinate based on nearby landmark

When: Chazy Group, Chazyan (470.0 - 457.3 Ma)

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: P. E. Raymond. 1911. The Brachiopoda and Ostracoda of the Chazyan. Annals of the Carnegie Museum 7:215-259 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172209: authorized by Björn Kröger, entered by Björn Kröger on 30.07.2015

Creative Commons license: CC0 (CC0)

Taxonomic list

unclassified
  -
Trilobita
 Proetida - Bathyuridae
Bathyurus cf. angelini trilobite
Bathyurus cf. Bathyurus angelini
 Corynexochida - Illaenidae
"Illaenus globosus" = Stenopareia globosus
"Illaenus globosus" = Stenopareia globosus Billings 1859 trilobite
Gastropoda
 Euomphalina - Raphistomatidae
Raphistoma stamineum Hall 1847 snail
Stenolaemata
 Cryptostomata - Ptilodictyidae
"Stictopora glomerata" = Phaenoporella glomerata
"Stictopora glomerata" = Phaenoporella glomerata Hall 1847
Lingulata
 Lingulida - Obolidae
"Lingula cf. huronensis" = Lingulella huronensis
"Lingula cf. huronensis" = Lingulella huronensis Billings 1859
Lingula cf. Lingula huronensis
Strophomenata
 Strophomenida - Furcitellidae
"Rafinesquina incrassata" = Dactylogonia incrassata
"Rafinesquina incrassata" = Dactylogonia incrassata Hall 1847
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
"Camarotoechia orientalis" = Rostricellula orientalis
"Camarotoechia orientalis" = Rostricellula orientalis Billings 1859
 Orthida - Plectorthidae
"Hebertella vulgaris" = Mimella vulgaris, "Hebertella borealis" = Mimella borealis
"Hebertella vulgaris" = Mimella vulgaris Raymond 1911
"Hebertella borealis" = Mimella borealis Billings 1859
 Orthida - Plaesiomyidae
"Plaesiomys platys" = Multicostella platys
"Plaesiomys platys" = Multicostella platys Billings 1859
 Parablastoidea - Blastocystidae
Paracrinoidea
 Platycystitida - Malocystitidae