York River Formation Explained

York River Formation
Type:	Geological formation
Age:	Devonian
Region:	Quebec
Country:	Canada
Unitof:	Gaspé Sandstones
Underlies:	Battery Point Formation

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.	A possible gyracanthid, formerly known as Gyracanthus incurvus.
	A. convexus	Mont Lyall and southwest of Mont Tuzo, Gaspé Peninsula.	Fin spines.	A possible gyracanthid, formerly known as Gyracanthus convexus.

Invertebrates

See also

• List of fossiliferous stratigraphic units in Quebec

References

• Web site: Fossilworks: Gateway to the Paleobiology Database. ((Various Contributors to the Paleobiology Database)). 8 July 2014.

Notes and References

1. 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. .
2. 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 . 0008-4077.
3. 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.
4. 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 . en . 10.1139/e11-058.