Avalanche Lake AV1 sample 46: Late/Upper Ordovician, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Zanclodus levigatus
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Conodonta
- Prioniodontida
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Oulodus rohneri
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Conodonta
- Prioniodontida
- Strachanognathidae
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Decoriconus costulatus
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Scabbardella informal n. sp. A
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Scabbardella altipes
(Hennigsmoen 1948)
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Conodonta
- Belodellida
- Belodellidae
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Walliserodus amplissimus
Serpagli 1967
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? Walliserodus rallus
Nowlan et al. 1988
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Coelocerodontus trigonius
Ethington 1959
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Conodonta
- Belodellida
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Besselodus borealis
Nowlan et al. 1988
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Conodonta
- Panderodontida
- Panderodontidae
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? Pseudobelodina dispansa
(Glenister 1957)
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? Pseudobelodina cf. dispansa
(Glenister 1957)
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Pseudobelodina vulgaris
Sweet 1979
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| Subspecies "P. vulgaris vulgaris" | ||||||||||
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Pseudobelodina cf. vulgaris
Sweet 1979
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| Subspecies "P. vulgaris vulgaris" | ||||||||||
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Plegagnathus nelsoni
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? Panderodus gibber
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? Panderodus informal n. sp. A
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? Panderodus ? panderi
(Stauffer 1940)
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Panderodus rhamphoides
Aldridge and Mohamed 1982
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Panderodus gracilis
(Branson and Mehl 1933)
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Belodina confluens
Sweet 1979
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Conodonta
- Ozarkodinida
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Plectodina tenuis
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus suberectus
(Branson and Mehl 1933)
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? Paroistodus informal sp. A
Lindström 1971
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Conodonta
- Protopanderodontida
- Protopanderodontidae
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Staufferella divisa
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Protopanderodus liripipus
Kennedy et al. 1979
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Northwest Territories |
| Coordinates: | 63.2° North, 126.3° West (view map) | ||
| Paleocoordinates: | 8.0° North, 55.8° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | hand sample |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| 10 m.y. bin: | Ordovician 4-5 | ||
| Key time interval: | Late/Upper Ordovician | ||
| Age range of interval: | 458.40000 - 443.80000 m.y. ago |
Stratigraphy
| Formation: | Whittaker |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified cherty/siliceous "limestone" |
| Includes fossils? | Y |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | microfossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | bulk,chemical,acetic,sieve |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 180217 | ||
| Authorizer: | E. Jarochowska | Enterer: | E. Jarochowska | Research group: | marine invertebrate,micropaleontology,vertebrate |
| Created: | 2016-07-12 05:36:24 | Last modified: | 2016-07-12 05:36:24 |
| Access level: | group members | Released: | 2018-07-12 05:36:24 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 59820. | G. S. Nowlan, A. D. McCracken, and B. D. E. Chatterton. 1988. Conodonts from Ordovician-Silurian boundary strata, Whittaker Formation, Mackenzie Mountains, Northwest Territories. Geological Survey of Canada Bulletin 373:1-99 [E. Jarochowska/E. Jarochowska] |