PBDB Collection

Anticosti Island, Ellis Bay Formation Member 6 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: 6 Member (Ellis Bay Formation), Ashgill (449.5 - 443.7 Ma)

• member-level stratigraphic resolution

Environment/lithology: limestone

• Environmental call by T. Hanson.

• Medium-bedded and cross-laminated limestone.

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 24575: 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 - Distomodontidae	Distomodus aff. kentuckyensis Distomodus aff. kentuckyensis Branson and Branson 1947 conodont
Prioniodontida - Strachanognathidae	Decoriconus costulatus Decoriconus costulatus conodont
Prioniodontida -	Oulodus robustus, Oulodus rohneri, Pseudooneotodus beckmanni Oulodus robustus conodont Oulodus rohneri conodont Pseudooneotodus beckmanni Bischoff and Sannemann 1958 conodont
Prioniodontida - Balognathidae	Icriodella discreta, Icriodella deflecta Icriodella discreta conodont Icriodella deflecta Aldridge 1972 conodont
Panderodontida - Panderodontidae	Panderodus gibber, Panderodus serratus, Panderodus gracilis Panderodus gibber conodont Panderodus serratus Rexroad 1967 conodont Panderodus serratus s.f. Panderodus gracilis Branson and Mehl 1933 conodont
Ozarkodinida -	Ozarkodina sp., Ozarkodina hassi, Ozarkodina oldhamensis, Gamachignathus ensifer, Gamachignathus hastatus Ozarkodina sp. Branson and Mehl 1933 conodont Ozarkodina hassi Pollock et al. 1970 conodont Ozarkodina oldhamensis Rexroad 1967 conodont Gamachignathus ensifer conodont Gamachignathus hastatus conodont
Ozarkodinida - Kockelellidae	"Spathognathodus manitoulinensis" = Kockelella manitoulinensis "Spathognathodus manitoulinensis" = Kockelella manitoulinensis Pollock et al. 1970 conodont Spathognathodus manitoulinensis s.f.
-	"? Oulodus kentuckyensis" = Rexroadus kentuckyensis, "? Oulodus nathani" = Rexroadus nathani "? Oulodus kentuckyensis" = Rexroadus kentuckyensis Branson and Branson 1947 conodont "? Oulodus nathani" = Rexroadus nathani McCracken and Barnes 1981 conodont
Protopanderodontida - Protopanderodontidae	Staufferella inaligerae Staufferella inaligerae conodont
Protopanderodontida - Drepanoistodontidae	"Drepanodus suberectus" = Drepanoistodus suberectus "Drepanodus suberectus" = Drepanoistodus suberectus Branson and Mehl 1933 conodont "Drepanodus suberectus" s.f.
Belodellida - Belodellidae	Walliserodus cf. curvatus, ? Belodella sp. Walliserodus cf. curvatus Branson and Branson 1947 conodont ? Belodella sp. Ethington 1959 conodont Belodella? n. sp. A s.f.
-	Spathognathodus elibatus Spathognathodus elibatus conodont Spathognathodus elibatus s.f.