Anticosti Island, Ellis Bay Formation Member 2 Conodonts: Ashgill, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Panderodontida
- Panderodontidae
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Panderodus clinatus
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Panderodus gibber
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Panderodus liratus
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Panderodus cf. staufferi
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Panderodus spp.
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| Panderodus n. sp. A s.f., Panderodus n. sp. B s.f. | ||||||||||
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Panderodus panderi
(Stauffer 1940)
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Panderodus gracilis
(Branson and Mehl 1933)
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Panderodus serratus
Rexroad 1967
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| Panderodus serratus s.f. | ||||||||||
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Panderodus feulneri
(Glenister 1957)
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Plegagnathus nelsoni
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| Plegagnathus nelsoni s.f. | ||||||||||
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Plegagnathus dartoni
Stone and Furnish 1959
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| Plegagnathus dartoni s.f. | ||||||||||
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Belodina dispansa
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Belodina profunda
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Belodina compressa
(Branson and Mehl 1933)
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus suberectus
(Branson and Mehl 1933)
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? Paroistodus mutatus
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Conodonta
- Protopanderodontida
- Protopanderodontidae
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Staufferella inaligerae
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Conodonta
- Ozarkodinida
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Gamachignathus ensifer
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Gamachignathus hastatus
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Conodonta
- Prioniodontida
- Balognathidae
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Amorphognathus cf. ordovicicus
Bergström and Bergström 1996
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Conodonta
- Prioniodontida
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Aphelognathus aff. grandis
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Aphelognathus pyramidalis
(Branson et al. 1951)
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Oulodus rohneri
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Oulodus ulrichi
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Pseudooneotodus beckmanni
(Bischoff and Sannemann 1958)
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Pseudooneotodus mitratus
(Moskalenko 1973)
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Conodonta
- Prioniodontida
- Rhipidognathidae
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Rhipidognathus symmetricus
Branson et al. 1951
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Conodonta
- Prioniodontida
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Phragmodus undatus
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Conodonta
- Proconodontida
- Cordylodontidae
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Cordylodus robustus
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| "Cordylodus" robustus s. f. | ||||||||||
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Conodonta
- Belodellida
- Belodellidae
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Walliserodus cf. curvatus
(Branson and Branson 1947)
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| 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: | "limestone" |
| Includes fossils? | Y |
| Lithology description: Limestone, with shale partings or interbeds. | |
| 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: | 24571 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 2002-08-10 15:00:59 | Last modified: | 2005-02-15 19:59:09 |
| Access level: | the public | Released: | 2002-08-10 15:00:59 |
| 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] |