2007-PL-1: Hirnantian, Canada
collected by A. Achab, A. Desrochers 2008
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa
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Cyathochitina kuckersiana
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Belonechitina gamachiana
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Belonechitina micracantha
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subspecies forma A. subspecies typica | ||||||||||
Belonechitina cf. schopfi
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Prosamatifera
- Conochitinidae
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Conochitina aff. dolosa
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see common names |
Geography
Country: | Canada | State/province: | Quebec |
Coordinates: | 49.8° North, 64.4° West (view map) | ||
Paleocoordinates: | 21.9° South, 37.8° West | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | hand sample |
Time
Period: | Ordovician | Epoch: | Late/Upper Ordovician |
Stage: | Hirnantian | 10 m.y. bin: | Ordovician 5 |
Key time interval: | Hirnantian | Other zone: | Chitinazoa |
Age range of interval: | 445.20000 - 443.80000 m.y. ago |
Stratigraphy
Formation: | Ellis Bay | Member: | Lousy Cove |
Local section: | Pointe Laframboise | Local bed: | 0.70 m |
Local order: | bottom to top | ||
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | bioturbation lithified "limestone" | ||
Environment: | carbonate indet. | Tectonic setting: | foreland basin |
Taphonomy
Modes of preservation: | body,original chitin |
Size of fossils: | microfossils |
Collection methods and comments
Collection methods: | bulk,chemical,field collection | ||
Collection size: | 47 specimens | ||
Rock censused: | 10 g | ||
Reason for describing collection: | biostratigraphic analysis | ||
Collectors: | A. Achab, A. Desrochers | Collection dates: | 2008 |
Metadata
Database number: | 190808 | ||
Authorizer: | S. Finnegan | Enterer: | S. Finnegan |
Modifier: | S. Finnegan | Research group: | micropaleontology |
Created: | 2017-12-18 12:26:36 | Last modified: | 2017-12-18 12:28:24 |
Access level: | the public | Released: | 2017-12-18 12:26:36 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
64099. | A. Achab, E. Asselin, A. Desrochers, J. F. Riva, and C. Farley. 2010. Chitinozoan biostratigraphy of a new Upper Ordovician stratigraphic framework for Anticosti Island, Canada. Geological Society America Bulletin 123(1/2):186-205 [S. Finnegan/S. Finnegan] |