York River Formation

York River Formation
Stratigraphic range: Devonian
Type	Geological formation
Unit of	Gaspé Sandstones
Underlies	Battery Point Formation
Location
Region	Quebec
Country	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

• Earth sciences portal
• Canada portal
• Paleontology portal

• List of fossiliferous stratigraphic units in Quebec

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. ISSN 0008-4077.
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. ISSN 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. doi:10.1139/e11-058.

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 19 August 2022. Retrieved 8 July 2014.