Decew Falls Section 22.00': Rhuddanian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Orthotetida
- Chilidiopsidae
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Fardenia plicata
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Rhynchotreta cf. cabotensis
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Rhynchonellata
- Orthida
- Dalmanellidae
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Parmorthis eugeniensis
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| synonym of Resserella | |||||||
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Stenolaemata
- Cryptostomata
- Arthrostylidae
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Helopora fragilis
Hall 1851
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Stenolaemata
- Trepostomata
- Halloporidae
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Hallopora cf. magnopora
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Gastropoda
- Euomphalina
- Platyceratidae
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cf. Platyostoma hemispherica
(Hall 1843)
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Bivalvia
- Nuculanida
- Nuculanidae
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Ctenodonta elliptica
(Goldfuss 1837)
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| recombined as Leda elliptica | |||||||
| see common names | |||||||
Geography
| Country: | Canada | State/province: | Ontario |
| Coordinates: | 43.1° North, 79.3° West (view map) | ||
| Paleocoordinates: | 23.8° South, 49.9° West | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | basin |
Time
| Period: | Silurian | Epoch: | Llandovery |
| Stage: | Rhuddanian | 10 m.y. bin: | Silurian 1 |
| Key time interval: | Rhuddanian | ||
| Age range of interval: | 443.80000 - 440.80000 m.y. ago |
Stratigraphy
| Formation: | Power Glen | ||||
| Local section: | Decew Falls | Local bed: | 22 ft | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "lower Lland (and mid also)" | |||||
Lithology and environment
| Primary lithology: | calcareous sandstone |
| Secondary lithology: | "shale" |
| Environment: | marine indet. |
| Geology comments: "Dk gray to green fissile calcareous to arenaceous shale, interbedded w/ thin grey f to m gr. calc sst. shallow, muddy, probably restricted if fits def. of lingula community. This assemblage was termed a Lingula Community by Ziegler and Boncut, 1970. Fauna is sparsely distributed" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:"Bolton, T.E. 1957. Silurian strat and paleo of the Niagara escarpment in Ontario. Canada Seol. Surv Mem. 289, 145p." | |
Metadata
| Database number: | 173224 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2015-09-13 15:30:51 | Last modified: | 2015-09-13 15:30:51 |
| Access level: | the public | Released: | 2015-09-13 15:30:51 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 13433. | T. E. Bolton. 1957. Silurian stratigraphy and palæontology of the Niagara escarpment in Ontario. Geological Survey of Canada Memoir 289:1-145 [P. Wagner/P. Wagner/J. Ju] |