Horton River, District Mackenzie, NWT, C-8627, >25 µm: Campanian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Costopyxis reticulata
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Costopyxis schulzii
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1 specimen | |||||||||
| Costopyxis schulzii f. nuda | ||||||||||
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Meristiosolen sp. 1
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24 specimens | |||||||||
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Micrampula parvula
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1 specimen | |||||||||
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Bacillariophyceae
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Bacillariophyceae indet.
Haeckel 1878
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6 specimens | |||||||||
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Bacillariophyceae indet.
Haeckel 1878
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6 specimens | |||||||||
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Bacillariophyceae indet.
Haeckel 1878
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13 specimens | |||||||||
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Thalassiosiropsis wittiana
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2 specimens | |||||||||
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Bacillariophyceae
- Anaulales
- Anaulaceae
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Anaulus cf. sibericus
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1 specimen | |||||||||
| Anaulus sp. Cf. A. sibericus | ||||||||||
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Bacillariophyceae
- Melosirales
- Stephanopyxidaceae
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Stephanopyxis arctica
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2 specimens | |||||||||
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Stephanopyxis dissonus
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2 specimens | |||||||||
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Stephanopyxis grunowi
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6 specimens | |||||||||
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Stephanopyxis simonseni
Hajos 1974
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8 specimens | |||||||||
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Stephanopyxis turris
(Greville and Arnot 1857)
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6 specimens | |||||||||
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Bacillariophyceae
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Trinacria acutangula
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Goniothecium odontella
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Goniothecium odontella
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| Goniothecium odontella var. danica | ||||||||||
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Bacillariophyceae
- Paraliales
- Paraliaceae
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Paralia ornata
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Paralia sulcata
(Ehrenberg 1838)
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82 specimens | |||||||||
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Bacillariophyceae
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Pterotheca aculeifera
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7 specimens | |||||||||
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Pterotheca cf. spada
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3 specimens | |||||||||
| Pterotheca sp. Cf. P. spada | ||||||||||
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Pterotheca cretacea
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2 specimens | |||||||||
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Bacillariophyceae
- Coscinodiscales
- Heliopeltaceae
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Actinoptychus tenuis
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1 specimen | |||||||||
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Actinoptychus tuberculatus
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4 specimens | |||||||||
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Bacillariophyceae
- Coscinodiscales
- Coscinodiscaceae
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Stellarima stenyi
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6 specimens | |||||||||
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Bacillariophyceae
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Odontotropis carinata
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3 specimens | |||||||||
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Odontotropis cristata
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1 specimen | |||||||||
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Pseudopyxilla cf. rossica
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6 specimens | |||||||||
| Pseudopyxilla sp. Cf. P. rossica | ||||||||||
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Trochosiropsis polychaeta
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11 specimens | |||||||||
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Biddulphiaceae
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Hemiaulus elegans
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Hemiaulus orthoceras
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1 specimen | |||||||||
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Hemiaulus schmidti
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2 specimens | |||||||||
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Hemiaulus sporalis
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4 specimens | |||||||||
| (spores) | ||||||||||
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Eunotogramma bivitata
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1 specimen | |||||||||
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Eunotogramma enorme
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Gastropoda
- Rostellariidae
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Aulacodiscus septus
Schmidt 1876
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3 specimens | |||||||||
| Aulacodiscus septus f. quattuorradiata | ||||||||||
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Aulacodiscus septus
Schmidt 1876
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4 specimens | |||||||||
| Aulacodiscus septus f. septus | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Northwest Territories |
| Coordinates: | 69.5° North, 127.0° West (view map) | ||
| Paleocoordinates: | 77.8° North, 66.8° West |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Formation: | Mason River | ||
| Local section: | CR16B N-68 | Local bed: | 112.8 - 115.8 m |
Lithology and environment
| Primary lithology: | "shale" |
| Environment: | offshore |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 57631 | ||
| Authorizer: | C. Cervato | Enterer: | C. Cervato |
| Modifier: | M. Uhen | Research group: | micropaleontology |
| Created: | 2005-12-13 17:44:43 | Last modified: | 2018-11-15 13:36:27 |
| Access level: | the public | Released: | 2005-12-13 17:44:43 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 15475. | P. M. Tapia and D. M. Harwood. 2002. Upper Cretaceous diatom biostratigraphy of the Arctic archipelago and northern continental margin, Canada. Micropaleontology 48(4):303-342 [C. Cervato/C. Cervato] |