| York River Formation | |
|---|---|
| Stratigraphic range: Devonian | |
| Type | Geological formation |
| Unit of | Gaspé Sandstones |
| Underlies | Battery Point Formation |
| Location | |
| Region | Quebec |
| Country | .svg.png.webp){kind=small} Canada |
The York River Formation is a geologic formation in Quebec. It preserves fossils dating back to the Devonian period.
Description
The basal unit of the Gaspé Sandstones, the York River Formation is wholly marine and the Battery Point Formation rests unconformably above it.
Fossil content
Vertebrates
| Acanthodians | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Ankylacanthus | A. incurvus | Anse-à-Brillant, Route 197.[1] | Fin spines.[1] | A possible gyracanthid, formerly known as Gyracanthus incurvus.[1] | |
| A. convexus | Mont Lyall and southwest of Mont Tuzo, Gaspé Peninsula.[1] | Fin spines.[1] | A possible gyracanthid, formerly known as Gyracanthus convexus.[1] | ||
| Chondrichthyans | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Doliodus | D. latispinosus | Upper part of the formation.[2] | Fin spines.[2] | Also known from the Campbellton and Battery Point formations.[2] | |
Invertebrates
| Bivalves | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Montanaria | M. honquedoensis | [3] | |||
| Cnidarians | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Procteria | P. (Pachyprocteria) vermifera | Upper part of the formation.[4] | A tabulate coral. | ||
See also
References
- 1 2 3 4 5 6 Burrow, Carole J.; Turner, Susan; Desbiens, Sylvain; Miller, Randall F. (2008-08). "Early Devonian putative gyracanthid acanthodians from eastern CanadaInternational Geoscience Programme (IGCP) Contribution 491, Middle Palaeozoic Vertebrate Biogeography, Palaeogeography, and Climate". Canadian Journal of Earth Sciences. 45 (8): 897–908. doi:10.1139/e08-033. ISSN 0008-4077.
- 1 2 3 Burrow, Carole J.; Turner, Susan; Maisey, John G.; Desbiens, Sylvain; Miller, Randall F. (2017). "Spines of the stem chondrichthyan Doliodus latispinosus (Whiteaves) comb. nov. from the Lower Devonian of eastern Canada". Canadian Journal of Earth Sciences. 54 (12): 1248. ISSN 0008-4077.
- ↑ Desbiens, Sylvain (February 1, 1994). "Le bivalve Montanaria Spriestersbach, 1909: habitat et morphologie d'une nouvelle espèce emsienne de la Formation de York River de Gaspé, Québec". Canadian Journal of Earth Sciences. 31 (2): 381–392.
- ↑ PlusquellecYves; DesbiensSylvain; GourvennecRémy (2011-11-25). "Procteria (Pachyprocteria) vermifera n. sp., an unusual Hicetes-bearing species of tabulate coral from the lower Eifelian of the Gaspé Sandstones Group, Rimouski County (Quebec, Canada)". Canadian Journal of Earth Sciences. doi:10.1139/e11-058.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 8 July 2014.
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