Section W-1. 023.5 - 024.5 m. South Thundercloud Range, District of Mackenzie: Edenian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Panderodontida
- Panderodontidae
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Pseudobelodina kirki
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1 specimen | |||||||||
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Pseudobelodina dispansa
(Glenister 1957)
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1 specimen | |||||||||
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Panderodus feulneri
(Glenister 1957)
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20 specimens | |||||||||
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Conodonta
- Ozarkodinida
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Plectodina tenuis
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3 specimens | |||||||||
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus suberectus
(Branson and Mehl 1933)
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1 specimen | |||||||||
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella redstonensis n. sp.
Mitchell and Sweet 1989
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| recombined as Thaerodonta redstonensis | ||||||||||
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Strophomenata
- Strophomenida
- Furcitellidae
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Megamyonia cf. unicostata
(Meek and Worthen 1868)
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Strophomenata
- Strophomenida
- Strophomenidae
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Tetraphalerella cooperi
Wang 1949
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| recombined as Strophomena (Tetraphalerella) cooperi | ||||||||||
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Strophomena vetusta
James 1874
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Holtedahlina sulcata
(Hall and Clarke 1892)
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| Strophomena sulcata | ||||||||||
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Strophomena fluctuosa
Billings 1860
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| recombined as Nasutimena fluctuosa | ||||||||||
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina cf. sardesoni
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Rhynchonellata
- Atrypida
- Anazygidae
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Zygospira sulcata
Howe 1965
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Rhynchonellata
- Rhynchonellida
- Rhynchotrematidae
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Lepidocyclus perlamellosus
(Whitfield 1878)
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| recombined as Lepidocyclus perlamellosa | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Ancistrorhynchidae
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Ancistrorhynchia sp.
(Ulrich and Cooper 1942)
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| original and current combination Ancistrorhyncha | ||||||||||
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Rhynchonellata
- Orthida
- Draboviidae
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Pionodema sp.
Foerste 1912
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Rhynchonellata
- Orthida
- Plaesiomyidae
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Plaesiomys (Pionorthis) sola
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Rhynchonellata
- Orthida
- Hesperorthidae
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Hesperorthis sp.
Schuchert and Cooper 1931
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Rhynchonellata
- Orthida
- Platystrophiidae
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Platystrophia sp.
King 1850
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Ostracoda
- Hollinocopida
- Tetradellidae
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Tetradella sp.
Ulrich 1890
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Ostracoda
- Hollinocopida
- Oepikellidae
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Oepikella sp.
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Ostracoda
- Podocopida
- Bairdiidae
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Krausella inaequalis
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Krausella ? minuta
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? Krausella cf. acuta
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Ostracoda
- Podocopida
- Bairdiocyprididae
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Phelobythocypris sp.
Warshauer and Berdan 1982
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Trilobita
- Corynexochida
- Illaenidae
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Bumastoides sp.
(Whittington 1954)
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Trilobita
- Phacopida
- Pterygometopidae
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Tricopelta mackenziensis
Ludvigsen and Chatterton 1982
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Calyptaulax sp.
Cooper 1930
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Trilobita
- Phacopida
- Encrinuridae
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? Encrinuroides sp.
Reed 1931
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Trilobita
- Phacopida
- Cheiruridae
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Borealaspis cf. whittakerensis
Ludvigsen 1976
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Ceraurinus serratus
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Ceraurinella cf. brevispina
Ludvigsen 1979
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Acanthoparypha goniopyga
Ludvigsen 1979
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Ceraurus cf. tuberosus
Troedsson 1928
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| Ceraurinus cf. tuberousus | ||||||||||
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Trilobita
- Asaphida
- Asaphidae
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Anataphrus cf. borraeus
Whittington 1954
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Isotelus sp.
Dekay 1824
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Trilobita
- Asaphida
- Remopleurididae
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Hypodicranotus cf. striatulus
(Walcott 1875)
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Northwest Territories |
| Coordinates: | 62.5° North, 125.3° West (view map) | ||
| Paleocoordinates: | 6.9° North, 57.1° West |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| Key time interval: | Edenian | Conodont zone: | Oulodus velicuspis |
| Age range of interval: | 451.10000 - 450.40000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | silty "limestone" |
| Lithology description: shaly or silty limestone | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body,original silica |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | GSC |
Metadata
| Database number: | 192139 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2018-03-12 23:19:02 | Last modified: | 2021-12-28 15:12:59 |
| Access level: | the public | Released: | 2018-03-12 23:19:02 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 65005. | C. E. Mitchell and W. C. Sweet. 1989. Upper Ordovician conodonts, brachiopods, and chronostratigraphy of the Whittaker Formation, southwestern District of Mackenzie, N. W. T., Canada. Canadian Journal of Earth Sciences 26:74-87 [P. Wagner/P. Wagner] |