Infralittoral brach-bry-tril-crinoid community, upper Nicolet River Fm., La Prai: Edenian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Clidiophora sp.
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| 3 species | ||||||||||
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Pterobranchia
- Graptoloidea
- Diplograptidae
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Orthograptus sp.
Lapworth 1873
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Crinoidea
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Crinoidea indet.
Miller 1821
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| crinoid columnals | ||||||||||
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Trilobita
- Asaphida
- Asaphidae
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Isotelus sp.
Dekay 1824
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Trilobita
- Trinucleida
- Trinucleidae
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Cryptolithus sp.
Green 1832
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Trilobita
- Olenida
- Olenidae
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Triarthrus sp.
Green 1832
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Trilobita
- Phacopida
- Calymenidae
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Calymene sp.
Brongniart 1822
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella sp.
Jones 1928
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Leptaena sp.
Dalman 1828
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Rhynchonellata
- Atrypida
- Anazygidae
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Catazyga sp.
Hall and Clarke 1893
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Rhynchonellata
- Orthida
- Dalmanellidae
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Dalmanella sp.
Hall and Clarke 1892
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Lingulata
- Lingulida
- Lingulidae
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Lingula sp.
Bruguiére 1797
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Tentaculita
- Cornulitida
- Cornulitidae
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Cornulites sp.
Schlotheim 1820
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Polychaeta
- Phyllodocida
- Lepidocoleidae
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Lepidocoleus sp.
Faber 1886
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Gastropoda
- Murchisoniina
- Hormotomidae
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Hormotoma sp.
(Salter 1859)
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Bivalvia
- Solemyida
- Ctenodontidae
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Ctenodonta sp.
Salter 1852
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| 2 species | ||||||||||
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Bivalvia
- Modiomorphida
- Modiomorphidae
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Colpomya sp.
Ulrich 1893
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Cymatonota sp.
Ulrich 1893
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Cephalopoda
- Dissidocerida
- Geisonoceratidae
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Geisonoceras sp.
Hyatt 1884
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Quebec |
| Coordinates: | 45.4° North, 73.4° West (view map) | ||
| Paleocoordinates: | 26.3° South, 50.8° West | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| *Period: | Late/Upper Ordovician | *Local age/stage: | Edenian |
| Key time interval: | Edenian | ||
| Age range of interval: | 451.10000 - 450.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Nicolet River | Member: | upper | ||
| Stratigraphy comments: "U. Ord. Edenian" |
Lithology and environment
| Primary lithology: | gray siltstone |
| Secondary lithology: | "shale" |
| Environment: | transition zone/lower shoreface |
| Geology comments: "dark gray sh, sltst, and fine to medium ss. infralittoral" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:"Hofmann, 1982. p D38." | |
Metadata
| Database number: | 440 | ||
| Authorizer: | J. Sepkoski, A. Miller | Enterer: | M. Sommers |
| Modifier: | J. Ju | Research group: | marine invertebrate |
| Created: | 1998-12-08 15:50:10 | Last modified: | 2017-01-02 05:05:19 |
| Access level: | the public | Released: | 1998-12-08 15:50:10 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 60944. | H. J. Hofmann. 1982. Middle to late Ordovician fossiliferous rocks of the Montreal area. In Y. Globensky (ed.), 3rd North American Paleontology Convention Field Trips Guidebook. Montreal Quebec D1-D41 [M. Uhen/J. Ju/M. Uhen] |