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 ImagesAnkylacanthusA. incurvus Anse-à-Brillant, Route 197.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. .Fin spines. A possible gyracanthid, formerly known as Gyracanthus incurvus. A. convexusMont Lyall and southwest of Mont Tuzo, Gaspé Peninsula.Fin spines.A possible gyracanthid, formerly known as Gyracanthus convexus.
Chondrichthyans Genus Species Presence Material Notes Images DoliodusD. latispinosus Upper part of the formation.Fin spines. Also known from the Campbellton and Battery Point formations.
Invertebrates Bivalves Genus Species Presence Material Notes Images MontanariaM. honquedoensis
Cnidarians Genus Species Presence Material Notes Images ProcteriaP. (Pachyprocteria) vermifera Upper part of the formation. A tabulate coral.
See also
List of fossiliferous stratigraphic units in Quebec
References