Middle Ordovician (Whiterockian) gastropods from central Sonora, Mexico: affinities with Laurentia and the Precordillera

• Published in: Journal of Paleontology
• Main Authors: Cuen Romero, Francisco Javier, Rohr, David M., Noriega Ruiz, Héctor Arturo, Monreal, Rogelio, Blodgett, Robert B., Beresi, Matilde Sylvia, Buitrón Sánchez, Blanca E.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Paleontological Society
• Subjects: GASTROPODS; MIDDLE ORDOVICIAN; SONORA; LAURENTIA; PRECORDILLERA; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1; Argentina; Argentine; Argentino; Austral; British Columbia; Canada; Greenland; Romero; Rugosa; Newfoundland
• Online Access: http://hdl.handle.net/11336/217659

The Lower-Middle Ordovician (Ibexian, Whiterockian) sedimentary rocks exposed at Rancho Las Norias includes the informally named Las Norias formation, which consists of an intercalation of carbonate and clastic sediments with abundant marine fauna. These deposits occur as the most austral sedimentar...