Cryptolithoides fauna, Road River Fm., Dist. of MacKenzie: Caradoc, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Scyphozoa
- Conulariida
- Conulariidae
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Conulariidae indet.
Walcott 1886
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| conulariid | ||||||||||
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Gastropoda
- Bellerophontida
- Bellerophontidae
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Bellerophontidae indet.
M'Coy 1851
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| bellerophontids | ||||||||||
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Cephalopoda
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Nautiloidea indet.
Agassiz 1847
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| orthocone cephalopods | ||||||||||
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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| bivalve | ||||||||||
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Rhynchonellata
- Orthida
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Orthida indet.
Schuchert and Cooper 1932
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| orthid | ||||||||||
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Trilobita
- Olenida
- Olenidae
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Porterfieldia sp.
Cooper 1953
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Trilobita
- Trinucleida
- Raphiophoridae
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Ampyxina sp.
Ullrich 1922
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Trilobita
- Trinucleida
- Trinucleidae
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Cryptolithoides sp.
Whittington 1941
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Cryptolithus sp.
Green 1832
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Trilobita
- Asaphida
- Asaphidae
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Anataphrus cf. martinensis
Ross and Shaw 1972
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| originally entered as "Anataphrus cf. martinensis" | ||||||||||
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Trilobita
- Asaphida
- Remopleurididae
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Robergiella sp.
Whittington 1959
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Northwest Territories |
| Coordinates: | 64.5° North, 130.0° West (view map) | ||
| Paleocoordinates: | 9.4° North, 55.7° West | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | basin |
Time
| Period: | Ordovician | Epoch: | Late Ordovician |
| 10 m.y. bin: | Ordovician 4-5 | *Epoch: | Caradoc | *Local age/stage: | ? Edenian |
| Key time interval: | Caradoc | ||
| Age range of interval: | 458.4 - 449.6 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Road River | ||||
| Stratigraphy comments: "late Caradoc (Edenian?)" |
Lithology and environment
| Primary lithology: | black argillaceous lime mudstone |
| Environment: | slope |
| Geology comments: "black argillaceous lime mudstones. slope. BA6." | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:"R.Ludvigsen 1981 and pers. comm." | |
Metadata
| Database number: | 341 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2022-11-12 11:02:36 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 61157. | R. Ludvigsen. 1981. Biostratigraphy significance of Middle Ordovician trilobites from the Road River Formation, northern Cordillera. Geological Association of Canada Abstracts 6:A-36 [M. Uhen/J. Ju/J. Ju] |