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Gascons, Canada

FormationGascons
Member(s)Lower
Age:425 - 419 Ma
Paleozoic
IntervalSilurian
Lithologysandstone, "limestone"
Number of Collections7
Number of Occurrences46

Recorded Sample Locations

LocationRegionStratigraphic Name
Black CapeBonaventure RCM, Gaspésie-Îles-de-la-Madeleine, Québec, CanadaGascons
Anse a la BarbePort-Daniel, Le Rocher-Percé RCM, Gaspésie-Îles-de-la-Madeleine, Québec, CanadaGascons
Gaspé PeninsulaCanadaGascons
Gaspé PeninsulaRestigouche Co., New Brunswick, CanadaGascons
Northrop Locality 010. Mouth of Chouinard BrookRestigouche Co., New Brunswick, CanadaGascons - Lower
Northrop Locality 016. Near center of Anse-aux-GasconsBonaventure RCM, Gaspésie-Îles-de-la-Madeleine, Québec, CanadaGascons

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Ristigouche433 - 427 Ma
Silurian
9
Gascons - Lower425 - 423 Ma
Silurian
limestone19
Mann443 - 433 Ma
Silurian
17
West Point433 - 419 Ma
Paleozoic
21
Chaleurs - Anse a Pierre-Loiselle439 - 423 Ma
Silurian
mudstone/sandstone, mudstone, "shale"/"limestone"88
Chaleurs - Anse Cascon441 - 423 Ma
Silurian
sandstone/mudstone50
Chaleurs - Clemville443 - 433 Ma
Silurian
siltstone/sandstone, mudstone, siltstone/mudstone73
Chaleurs - La Vieille439 - 431 Ma
Silurian
limestone, "limestone"/sandstone, "carbonate", "shale", "limestone"/"shale"203
Chaleurs - Weir443 - 433 Ma
Silurian
sandstone/mudstone, sandstone/siltstone52
Honorat450 - 443 Ma
Paleozoic
sandstone, "shale"/dolomite, "shale"12
Matapedia450 - 433 Ma
Paleozoic
siltstone/"shale", lime mudstone, packstone/mudstone86

Recorded Fossils

Accepted NameHierarchyAge
Zoophycos sp.
genus
6Zoophycos427.4 - 423 Ma
Silurian
Ekwanoscutellum ekwanaspis
species
7Animalia : Arthropoda : Trilobita : Corynexochida : Styginidae : Ekwanoscutellum : Ekwanoscutellum ekwanaspis425.4 - 422.9 Ma
Silurian
Eurypterus remipes
species
7Animalia : Arthropoda : Xiphosura : Eurypterida : Eurypteridae : Eurypterus : Eurypterus remipes427.4 - 423 Ma
Silurian
Craniops sp.
genus
6Animalia : Brachiopoda : Craniata : Craniopsidae : Craniops433.4 - 427.4 Ma
Silurian
Hyattidina sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Athyridida : Meristellidae : Hyattidina433.4 - 427.4 Ma
Silurian
Meristina sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Athyridida : Meristellidae : Meristina433.4 - 427.4 Ma
Silurian
Merista sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Athyridida : Meristidae : Merista433.4 - 427.4 Ma
Silurian
Nucleospira sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Athyridida : Nucleospiridae : Nucleospira433.4 - 427.4 Ma
Silurian
Atrypa reticularis
species
7Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Atrypa : Atrypa reticularis433.4 - 427.4 Ma
Silurian
Atrypina sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypinidae : Atrypina433.4 - 427.4 Ma
Silurian
Isorthis sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : Isorthis433.4 - 427.4 Ma
Silurian
Dicoelosia sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Orthida : Dicoelosiidae : Dicoelosia433.4 - 427.4 Ma
Silurian
Dalejina sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Orthida : Rhipidomellidae : Dalejina433.4 - 427.4 Ma
Silurian
Kirkidium knighti
species
7Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Pentameridae : Kirkidium : Kirkidium knighti425.4 - 422.9 Ma
Silurian
Macropleura sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Cyrtiidae : Macropleura433.4 - 427.4 Ma
Silurian
Delthyris sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Delthyrididae : Delthyris433.4 - 427.4 Ma
Silurian
Howellella sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Delthyrididae : Howellella433.4 - 427.4 Ma
Silurian
Leptaena rhomboidalis
species
7Animalia : Brachiopoda : Strophomenata : Strophomenida : Rafinesquinidae : Leptaena : Leptaena rhomboidalis433.4 - 427.4 Ma
Silurian
Strophonella sp.
genus
6Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophonellidae : Strophonella433.4 - 427.4 Ma
Silurian
Strophonella extensa
species
7Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophonellidae : Strophonella : Strophonella extensa425.4 - 422.9 Ma
Silurian
Pseudofletcheria sp.
genus
6Animalia : Cnidaria : Anthozoa : Fletcheriellidae : Pseudofletcheria443.4 - 419.2 Ma
Paleozoic
Syringopora sp.
genus
6Animalia : Cnidaria : Anthozoa : Favositidae : Syringopora443.4 - 419.2 Ma
Paleozoic
Favosites gothlandicus
species
7Animalia : Cnidaria : Anthozoa : Favositidae : Favosites : Favosites gothlandicus425.4 - 422.9 Ma
Silurian
Cystihalysites sp.
genus
6Animalia : Cnidaria : Anthozoa : Halysitidae : Cystihalysites443.4 - 419.2 Ma
Paleozoic
Halysites sp.
genus
6Animalia : Cnidaria : Anthozoa : Favositidae : Halysites443.4 - 419.2 Ma
Paleozoic
Halysites catenularia
species
7Animalia : Cnidaria : Anthozoa : Favositidae : Halysites : Halysites catenularia425.4 - 422.9 Ma
Silurian
Heliolites sp.
genus
6Animalia : Cnidaria : Anthozoa : Heliolitidae : Heliolites443.4 - 419.2 Ma
Paleozoic
Propora sp.
genus
6Animalia : Cnidaria : Anthozoa : Heliolitida : Proporidae : Propora433.4 - 423 Ma
Silurian
Stelliporella sp.
genus
6Animalia : Cnidaria : Anthozoa : Stelliporellidae : Stelliporella443.4 - 419.2 Ma
Paleozoic
Arachnophyllum murchisoni
species
7Animalia : Cnidaria : Anthozoa : Stauriida : Arachnophyllidae : Arachnophyllum : Arachnophyllum murchisoni425.4 - 422.9 Ma
Silurian
Cyathophyllum sp.
genus
6Animalia : Cnidaria : Anthozoa : Cyathophyllidae : Cyathophyllum425.4 - 422.9 Ma
Silurian
Bivalvia
class
3Animalia : Mollusca : Bivalvia425.4 - 422.9 Ma
Silurian
Ambonychia acutirostra
species
7Animalia : Mollusca : Bivalvia : Myalinida : Ambonychiidae : Mytilarca : Ambonychia acutirostra425.4 - 422.9 Ma
Silurian
Euomphalopterus gasconsensis
species
7Animalia : Mollusca : Gastropoda : Euomphalidae : Spinicharybdis : Euomphalopterus gasconsensis425.4 - 422.9 Ma
Silurian
Prosolarium scalatum
species
7Animalia : Mollusca : Gastropoda : Pleurotomariida : Luciellidae : Prosolarium : Prosolarium scalatum425.4 - 422.9 Ma
Silurian
Clathrodictyon sp.
genus
6Animalia : Porifera : Clathrodictyidae : Clathrodictyon425.4 - 422.9 Ma
Silurian
Clathrodictyon variolare
species
7Animalia : Porifera : Stromatoporoidea : Clathrodictyida : Clathrodictyidae : Clathrodictyon : Clathrodictyon variolare425.4 - 422.9 Ma
Silurian
Stromatopora sp.
genus
6Animalia : Porifera : Stromatoporoidea : Stromatoporida : Stromatoporidae : Stromatopora425.4 - 422.9 Ma
Silurian
Stromatopora prima
species
7Animalia : Porifera : Stromatoporoidea : Stromatoporida : Stromatoporidae : Stromatopora : Stromatopora prima425.4 - 422.9 Ma
Silurian

References

Northrop S. A. (1939) Paleontology and stratigraphy of the Silurian rocks of the Port Daniel-Black Cape Region, Gaspé, Geological Society of America Special Paper 21, 1-302
Boucot A. J., Bourque P. A. (1981) Brachiopod biostratigraphy of the Llandoverian rocks of the Gaspé Peninsula, Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 2, 315-321
Young G. A., Noble J. P. A. (1990) Silurian Heliolitidae (Anthozoa, Tabulata) from the Chaleurs Bay region, Canada, Journal of Paleontology 64 1, 44-60
Young G. A., Noble J. P. A. (1990) Silurian Proporidae and Plasmoporidae (Anthozoa, Tabulata) from the Chaleurs Bay region, Canada, Journal of Paleontology 64 2, 184-199
Young G. A., Lee D.-J., et al (1991) Halysitid and Auloporid tabulate corals from the Gascons and West Point Formations (Silurian), Gaspe, Quebec, Canada, Journal of Paleontology 65 5, 715-726
Plotnick R. E. (1999) Habitat of Llandoverian-Lochkovian eurypterids, Paleocommunities - a case study from the Silurian and Lower Devonian, 106-136
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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