PBDB Collection

Anticosti Island, Ellis Bay Formation Member 2 Conodonts (Ordovician of Canada)

Where: Québec, Canada (49.5° N, 63.0° W: paleocoordinates 23.2° S, 38.1° W)

• coordinate estimated from map

• local area-level geographic resolution

When: 2 Member (Ellis Bay Formation), Ashgill (449.5 - 443.7 Ma)

• member-level stratigraphic resolution

Environment/lithology: limestone

• Environmental call by T. Hanson.

• Limestone, with shale partings or interbeds.

Size class: microfossils

Collection methods: chemical,

• Conodonts only.

Primary reference: A. D. McCracken and C. R. Barnes. 1981. Conodont biostratigraphy across the Ordovician-Silurian boundary, Ellis Bay Formation, Anticosti Island, Québec. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group, Stratigraphy and Paleontology 2:61-69 [S. Holland/T. Hanson/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24571: authorized by Steven Holland, entered by Tori Hanson on 10.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Conodonta
Prioniodontida -	Aphelognathus aff. grandis, Aphelognathus pyramidalis, Oulodus rohneri, Oulodus ulrichi, Pseudooneotodus mitratus, Pseudooneotodus beckmanni Aphelognathus aff. grandis conodont Aphelognathus pyramidalis Branson et al. 1951 conodont Oulodus rohneri conodont Oulodus ulrichi conodont Pseudooneotodus mitratus Moskalenko 1973 conodont Pseudooneotodus beckmanni Bischoff and Sannemann 1958 conodont
Prioniodontida - Rhipidognathidae	Rhipidognathus symmetricus Rhipidognathus symmetricus Branson et al. 1951 conodont
Prioniodontida - Balognathidae	Amorphognathus cf. ordovicicus Amorphognathus cf. ordovicicus Bergström and Bergström 1996 conodont
Prioniodontida -	Phragmodus undatus Phragmodus undatus conodont
Belodellida - Belodellidae	Walliserodus cf. curvatus Walliserodus cf. curvatus Branson and Branson 1947 conodont
Panderodontida - Panderodontidae	Plegagnathus nelsoni, Plegagnathus dartoni, Panderodus clinatus, Panderodus gibber, Panderodus liratus, Panderodus cf. staufferi, Panderodus spp., Panderodus feulneri, Panderodus panderi, Panderodus gracilis, Panderodus serratus, Belodina dispansa, Belodina profunda, Belodina compressa Plegagnathus nelsoni conodont Plegagnathus nelsoni s.f. Plegagnathus dartoni Stone and Furnish 1959 conodont Plegagnathus dartoni s.f. Panderodus clinatus conodont Panderodus gibber conodont Panderodus liratus conodont Panderodus cf. staufferi conodont Panderodus spp. Ethington 1959 conodont Panderodus n. sp. A s.f., Panderodus n. sp. B s.f. Panderodus feulneri Glenister 1957 conodont Panderodus panderi Stauffer 1940 conodont Panderodus gracilis Branson and Mehl 1933 conodont Panderodus serratus Rexroad 1967 conodont Panderodus serratus s.f. Belodina dispansa conodont Belodina profunda conodont Belodina compressa Branson and Mehl 1933 conodont
Ozarkodinida -	Gamachignathus ensifer, Gamachignathus hastatus Gamachignathus ensifer conodont Gamachignathus hastatus conodont
Protopanderodontida - Drepanoistodontidae	Drepanoistodus suberectus, ? Paroistodus mutatus Drepanoistodus suberectus Branson and Mehl 1933 conodont ? Paroistodus mutatus conodont
Protopanderodontida - Protopanderodontidae	Staufferella inaligerae Staufferella inaligerae conodont
Proconodontida - Cordylodontidae	Cordylodus robustus Cordylodus robustus conodont "Cordylodus" robustus s. f.