Section N - collection N-33: Dresbachian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Agnostida
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Phalagnostus rasetti
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Agnostida
- Ammagnostidae
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Proagnostus bulbus
Butts 1926
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Agnostida
- Spinagnostidae
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Tomagnostella exsculpta
(Angelin 1851)
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Agnostida
- Diplagnostidae
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Nahannagnostus logani
Pratt 1992
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Oedorhachis typicalis
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Agnostida
- Agnostidae
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? Homagnostus sp.
Howell 1935
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Agnostus exsulatus
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? Kormagnostus beltensis
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Kormagnostus seclusus
(Walcott 1884)
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Trilobita
- Ptychopariida
- Norwoodiidae
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Hardyoides cf. tenerus
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Trilobita
- Ptychopariida
- Kingstoniidae
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Kingstonia bealesoides
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Blountia beltensis
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Bynumia cf. eumus
Walcott 1924
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Trilobita
- Ptychopariida
- Lonchocephalidae
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? Lonchocephalus pholus
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Trilobita
- Ptychopariida
- Menomoniidae
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? Bolaspidella sp.
Resser 1937
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Hysteropleura schucherti
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| synonym of Bolaspidella | |||||||
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Trilobita
- Ptychopariida
- Catillicephalidae
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Pemphigaspis intermedia
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Distazeris acuta
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? Onchonotopis kobluki
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| original and current combination Onchonotopsis | |||||||
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Trilobita
- Ptychopariida
- Marjumiidae
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Holmdalia punctata
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Modocia dubia
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Modocia sp.
Walcott 1924
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? Modocia sp.
Walcott 1924
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Trilobita
- Asaphida
- Asaphidae
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Cedaria minor
(Walcott 1916)
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| original and current combination Asaphiscus minor | |||||||
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Trilobita
- Llanoaspididae
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Genevievella simon
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? Genevievella campbellina
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Nahannicephalus sp.
Pratt 1992
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Trilobita
- Olenida
- Cedariidae
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Vernaculina wilsoni
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Cedarina cordillerae
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Yukon |
| Coordinates: | 62.7° North, 128.4° West (view map) | ||
| Paleocoordinates: | 3.1° North, 64.3° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Furongian |
| 10 m.y. bin: | Cambrian 5 | ||
| Key time interval: | Dresbachian | ||
| Age range of interval: | 497.00000 - 485.40000 m.y. ago |
Stratigraphy
| Formation: | Rabbitkettle |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | planar lamination lithified argillaceous,calcareous siltstone | ||
| Secondary lithology: | planar lamination,fine lithified sandstone | ||
| Includes fossils? | Y | ||
| Includes fossils? | Y | ||
| Environment: | offshore | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body,replaced with silica,replaced with phosphate |
| Preservation of anatomical detail: | excellent |
| Temporal resolution: | time-averaged |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | chemical,mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 55211 | ||
| Authorizer: | S. Peters | Enterer: | S. Peters |
| Modifier: | S. Peters | Research group: | marine invertebrate |
| Created: | 2005-09-29 11:00:59 | Last modified: | 2005-09-29 19:09:25 |
| Access level: | the public | Released: | 2005-09-29 11:00:59 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 14672. | B.R. Pratt. 1992. Trilobites of the Marjuman and Steptoean stages (Upper Cambrian), Rabbitkettle Formation, southern Mackenzie Mountains, northwest Canada. Palaeontographica Canadiana (9)1-109 [S. Peters/S. Peters/S. Peters] |