Anticosti Island, Ellis Bay Formation Member 6 Conodonts: Ashgill, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Conodonta
- Panderodontida
- Panderodontidae
|
||||||||||
Panderodus gibber
|
||||||||||
Panderodus gracilis
(Branson and Mehl 1933)
|
||||||||||
Panderodus serratus
Rexroad 1967
|
||||||||||
Panderodus serratus s.f. | ||||||||||
Conodonta
- Protopanderodontida
- Drepanoistodontidae
|
||||||||||
Drepanodus suberectus
(Branson and Mehl 1933)
|
||||||||||
recombined as Drepanoistodus suberectus | ||||||||||
"Drepanodus suberectus" s.f. | ||||||||||
Conodonta
- Protopanderodontida
- Protopanderodontidae
|
||||||||||
Staufferella inaligerae
|
||||||||||
Conodonta
- Ozarkodinida
- Kockelellidae
|
||||||||||
Spathognathodus manitoulinensis
Pollock et al. 1970
|
||||||||||
recombined as Kockelella manitoulinensis | ||||||||||
Spathognathodus manitoulinensis s.f. | ||||||||||
Conodonta
- Ozarkodinida
|
||||||||||
Ozarkodina sp.
Branson and Mehl 1933
|
||||||||||
Ozarkodina oldhamensis
(Rexroad 1967)
|
||||||||||
Ozarkodina hassi
(Pollock et al. 1970)
|
||||||||||
Gamachignathus ensifer
|
||||||||||
Gamachignathus hastatus
|
||||||||||
Conodonta
- Prioniodontida
- Balognathidae
|
||||||||||
Icriodella discreta
|
||||||||||
Icriodella deflecta
Aldridge 1972
|
||||||||||
Conodonta
- Prioniodontida
|
||||||||||
Oulodus robustus
|
||||||||||
Oulodus rohneri
|
||||||||||
Conodonta
- Prioniodontida
- Strachanognathidae
|
||||||||||
Decoriconus costulatus
|
||||||||||
Conodonta
- Prioniodontida
|
||||||||||
Pseudooneotodus beckmanni
(Bischoff and Sannemann 1958)
|
||||||||||
Conodonta
- Prioniodontida
- Distomodontidae
|
||||||||||
Distomodus aff. kentuckyensis
Branson and Branson 1947
|
||||||||||
Conodonta
|
||||||||||
Spathognathodus elibatus
|
||||||||||
Spathognathodus elibatus s.f. | ||||||||||
? Oulodus nathani
McCracken and Barnes 1981
|
||||||||||
recombined as Rexroadus nathani | ||||||||||
? Oulodus kentuckyensis
(Branson and Branson 1947)
|
||||||||||
recombined as Rexroadus kentuckyensis | ||||||||||
Conodonta
- Belodellida
- Belodellidae
|
||||||||||
? Belodella sp.
Ethington 1959
|
||||||||||
Belodella? n. sp. A s.f. | ||||||||||
Walliserodus cf. curvatus
(Branson and Branson 1947)
|
||||||||||
see common names |
Geography
Country: | Canada | State/province: | Québec |
Coordinates: | 49.5° North, 63.0° West (view map) | ||
Paleocoordinates: | 23.2° South, 38.1° West | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | local area |
Time
Period: | Ordovician | Epoch: | Late/Upper Ordovician |
10 m.y. bin: | Ordovician 5 | ||
*Period: | Late/Upper Ordovician | *Epoch: | Ashgillian | *Local age/stage: | Gamachian |
Key time interval: | Ashgill | ||
Age range of interval: | 449.60000 - 443.80000 m.y. ago | ||
* legacy (obsolete) database fields |
Lithology and environment
Primary lithology: | "cross stratification" "limestone" |
Includes fossils? | Y |
Lithology description: Medium-bedded and cross-laminated limestone. | |
Environment: | carbonate indet. |
Geology comments: Environmental call by T. Hanson. |
Taphonomy
Size of fossils: | microfossils |
Collection methods and comments
Collection excludes: | all macrofossils |
Collection methods: | chemical,field collection |
Reason for describing collection: | biostratigraphic analysis |
Collection method comments: Conodonts only. |
Metadata
Database number: | 24575 | ||
Authorizer: | S. Holland | Enterer: | T. Hanson |
Modifier: | J. Alroy | Research group: | marine invertebrate |
Created: | 2002-08-10 15:47:24 | Last modified: | 2005-02-15 19:59:09 |
Access level: | the public | Released: | 2002-08-10 15:47:24 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
6910. | 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] |