Where: Quebec, Canada (47.0° N, 72.0° W: paleocoordinates 27.4° S, 54.0° W)
• basin-level geographic resolution
When: St. Martin Member (Laval Formation), Chazyan (470.0 - 457.3 Ma)
• "brach-bry-pelmatozoan-trilobite-ostracod fauna. M. Ord., upper Chazyan."
• member-level stratigraphic resolution
Environment/lithology: shallow subtidal; carbonate and shale
Size class: macrofossils
Primary reference: H. J. Hofmann. 1982. Middle to late Ordovician fossiliferous rocks of the Montreal area. In Y. Globensky (ed.), 3rd North American Paleontology Convention Field Trips Guidebook. Montreal Quebec D1-D41 [M. Uhen/J. Ju/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 311: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998
Creative Commons license: CC BY (attribution)
Taxonomic list
Cheirocrinus sp. Eichwald 1856 | |
Crinoidea | |
Palaeocrinus sp. Billings 1859 Sea lily | |
Paracrinoidea | |
Malocystites sp. Billings 1858 | |
| |
Blastoidocrinus sp. Billings 1859 | |
Eocrinoidea | |
| |
Cephalopoda | |
Vaginoceras sp. Hyatt 1884 | |
Gastropoda | |
| |
Bucania sp. Hall 1847 snail | |
Lingulata | |
Schizambon sp. Walcott 1884 | |
Lingulella sp. Salter 1866 | |
Rhynchonellata | |
Camerella sp. Billings 1859 | |
| |
| |
Orthida indet. Schuchert and Cooper 1932
Orthoidea indet. Woodward 1852 | |
Glyptorthis sp. Foerste 1914 | |
Valcourea sp. Raymond 1911 | |
| |
Hesperorthis sp. Schuchert and Cooper 1931 | |
| |
Strophomenata | |
Glyptomena sp. Cooper 1956 | |
Onychoplecia sp. Cooper 1956 | |
| |
Stenolaemata | |
| |
Phylloporina sp. Foerste 1887 | |
Trilobita | |
| |
Eoharpes sp. Raymond 1905 trilobite | |
Vogdesia sp. Raymond 1910 trilobite
Isotelus sp. Dekay 1824 trilobite
Basilicus sp. Salter 1849 trilobite | |
Calliops sp. Delo 1935 trilobite | |
Kawina sp. Barton 1916 trilobite
Sphaerexochus sp. Beyrich 1845 trilobite | |
Ostracoda | |
| |
Leperditella sp. ostracod | |
Scyphozoa | |
| |
Anthozoa | |
Billingsaria sp. Okulitch 1936 tabulate coral |