Anticosti Island, Ellis Bay Formation Member 1 Conodonts: Richmondian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Ptiloncodus harrisi
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Ptiloncodus harrisi s f. | ||||||||||
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
- Proconodontida
- Cordylodontidae
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Cordylodus robustus
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"Cordylodus" robustus s. f. | ||||||||||
Conodonta
- Prioniodontida
- Balognathidae
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Amorphognathus cf. ordovicicus
Bergström and Bergström 1996
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Conodonta
- Prioniodontida
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Phragmodus undatus
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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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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 mitratus
(Moskalenko 1973)
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Pseudooneotodus beckmanni
(Bischoff and Sannemann 1958)
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Conodonta
- Panderodontida
- Panderodontidae
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Belodina dispansa
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Belodina profunda
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? Belodina sp.
Ethington 1959
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Belodina? n. sp. A s. f. | ||||||||||
Belodina compressa
(Branson and Mehl 1933)
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Panderodus clinatus
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Panderodus gibber
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Panderodus graciliis
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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. | ||||||||||
Panderodus feulneri
(Glenister 1957)
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Panderodus panderi
(Stauffer 1940)
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Plegagnathus dartoni
Stone and Furnish 1959
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Plegagnathus dartoni s. f. | ||||||||||
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: | outcrop |
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: | Richmondian | Graptolite zone: | Paraorthograptus pacificus |
Age range of interval: | 449.50000 - 443.70000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Geological group: | Jolliet | Formation: | Vaureal | Member: | Grindstone |
Stratigraphic resolution: | member | ||||
Stratigraphy comments: Graptolite zone given, as these are conodonts! (Not that you find them together that often...). Member 1 = Grindstone. |
Lithology and environment
Primary lithology: | wave ripples calcareous "shale" |
Secondary lithology: | "limestone" |
Includes fossils? | Y |
Includes fossils? | Y |
Lithology description: Shale, calcareous with limestone interbeds, and limestone with shale partings, some with ripple marks. | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | microfossils |
Collection methods and comments
Collection excludes: | all macrofossils |
Collection methods: | chemical,field collection |
Reason for describing collection: | biostratigraphic analysis |
Taxonomic list comments:Conodonts only. This should be broken down into localities (PJW). |
Metadata
Database number: | 24569 | ||
Authorizer: | S. Holland | Enterer: | T. Hanson |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 2002-08-10 13:57:44 | Last modified: | 2018-03-13 13:55:58 |
Access level: | the public | Released: | 2002-08-10 13:57:44 |
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] |