Anticosti Island, Riviere Jupiter, 8,9,10-Mile Pool, Gun River Fm, sample C80 (Silurian to of Canada)

Where: Quebec, Canada (49.5° N, 63.5° W: paleocoordinates 21.3° S, 36.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gun River Formation, Rhuddanian to Rhuddanian (443.4 - 438.5 Ma)

• the lower half of the Llandovery (Lower Silurian) succession of Rhuddanian-

•early Aeronian age

Environment/lithology: open shallow subtidal; limestone

• the Gun River Formation represents a quiet, deeper-water setting and shows some shallowing toward the top where the Pentamerus brachiopod community is developed. Its thickness is about 100 m.
• subtidal limestone, typically thin to medium bedded wackestone to packstone

•with rare lenticular grainstone and with some thin interbedded

•shale.

Size classes: mesofossils, microfossils

Primary reference: S. Zhang and C. R. Barnes. 2002. A New Llandovery (Early Silurian) Conodont Biozonation and Conodonts from the Becscie,Merrimack, and Gun River Formations, Anticosti Island, Québec. Memoir (The Paleontological Society) [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 142812: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 16.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Conodonta
 Panderodontida - Panderodontidae
"Panderodus recurvatus" = Panderodus panderi
"Panderodus recurvatus" = Panderodus panderi Stauffer 1940 conodont
 Belodellida - Belodellidae
Walliserodus curvatus Branson and Branson 1947 conodont
 Prioniodontida -
Oulodus jeannae Sweet and Schönlaub 1975 conodont
 Prioniodontida - Balognathidae
Icriodella deflecta Aldridge 1972 conodont
 Prioniodontida -
Pseudooneotodus beckmanni Bischoff and Sannemann 1958 conodont
 Ozarkodinida -
Ozarkodina pirata Uyeno and Barnes 1983 conodont