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