Anticosti Island, Ellis Bay Formation Member 1 Conodonts: Richmondian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Ptiloncodus harrisi
Ptiloncodus harrisi s f.
Conodonta - Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus (Branson and Mehl 1933)
? Paroistodus mutatus
Conodonta - Protopanderodontida - Protopanderodontidae
Staufferella inaligerae
Conodonta - Ozarkodinida
Gamachignathus ensifer
Gamachignathus hastatus
Conodonta - Proconodontida - Cordylodontidae
Cordylodus robustus
"Cordylodus" robustus s. f.
Conodonta - Prioniodontida - Balognathidae
Amorphognathus cf. ordovicicus Bergström and Bergström 1996
Conodonta - Prioniodontida
Phragmodus undatus
Conodonta - Prioniodontida - Rhipidognathidae
Rhipidognathus symmetricus Branson et al. 1951
Conodonta - Prioniodontida
Aphelognathus aff. grandis
Aphelognathus pyramidalis (Branson et al. 1951)
Oulodus rohneri
Oulodus ulrichi
Pseudooneotodus mitratus (Moskalenko 1973)
Pseudooneotodus beckmanni (Bischoff and Sannemann 1958)
Conodonta - Panderodontida - Panderodontidae
Belodina dispansa
Belodina profunda
? Belodina sp. Ethington 1959
Belodina? n. sp. A s. f.
Belodina compressa (Branson and Mehl 1933)
Panderodus clinatus
Panderodus gibber
Panderodus graciliis
Panderodus liratus
Panderodus cf. staufferi
Panderodus spp.
Panderodus n. sp A s. f., Panderodus n. sp. B s. f.
Panderodus feulneri (Glenister 1957)
Panderodus panderi (Stauffer 1940)
Plegagnathus dartoni Stone and Furnish 1959
Plegagnathus dartoni s. f.
Conodonta - Belodellida - Belodellidae
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: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]