Philipsburg, Naylor Ledge: Floian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ellesmerocerida
- Protocycloceratidae
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Protocycloceras catulus
(Billings 1865)
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Ulrich et al. 1944 | ||||||
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Cephalopoda
- Endocerida
- Proterocameroceratidae
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Kirkoceras missisquoi
(Billings 1865)
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Ulrich et al. 1943 | ||||||
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Cephalopoda
- Endocerida
- Endoceratidae
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Endoceras aristides
(Billings 1865)
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Ulrich et al. 1944 | 1 specimen | |||||
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Cephalopoda
- Dissidocerida
- Rangeroceratidae
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Protocycloceras repens
(Billings 1856)
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Ulrich et al. 1944 | 1 specimen | |||||
| recombined as Anrangeroceras repens | |||||||
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Cephalopoda
- Tarphycerida
- Tarphyceratidae
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Centrotarphyceras apheusi
Ulrich et al. 1942
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Cephalopoda
- Tarphycerida
- Estonioceratidae
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Aphetoceras farnsworthi
(Billings 1861)
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1 specimen | ||||||
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Aphetoceras attenuatum
Hyatt 1894
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5 specimens | ||||||
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Cephalopoda
- Tarphycerida
- Trocholitidae
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Wichitoceras naylorense
Ulrich et al. 1942
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2 specimens | ||||||
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Arkoceras sp.
Ulrich et al. 1942
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1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | Canada | State/province: | Quebec | County: | Missisquoi |
| Coordinates: | 45.0° North, 73.1° West (view map) | ||||
| Paleocoordinates: | 30.1° South, 61.1° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Ordovician | Epoch: | Early/Lower Ordovician |
| Stage: | Floian | 10 m.y. bin: | Ordovician 2 |
| Key time interval: | Floian | Conodont zone: | Oepikodus communis |
| Age range of interval: | 477.70000 - 470.00000 m.y. ago |
Stratigraphy
| Formation: | Naylor Ledge | ||||
| Stratigraphy comments: Naylor Ledge Formation is early Floian after Kröger & Landing, 2009 |
Lithology and environment
| Primary lithology: | "limestone" | ||
| Environment: | shallow subtidal indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | cast,original aragonite,original calcite,replaced with calcite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | GSC,USNM |
Metadata
| Database number: | 98439 | ||
| Authorizer: | B. Kröger | Enterer: | B. Kröger |
| Modifier: | B. Kröger | Research group: | marine invertebrate |
| Created: | 2010-10-06 10:37:33 | Last modified: | 2010-11-28 06:50:29 |
| Access level: | the public | Released: | 2010-10-06 10:37:33 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 30180. | E. O. Ulrich, A. F. Foerste, A. K. Miller and W. M. Furnish. 1942. Ozarkian and Canadian cephalopods, Part I: Nautilicones. Geological Society of America Special Papers 37:1-157 [B. Kröger/B. Kröger/B. Kröger] |
Secondary references:
| 13254 | E. O. Ulrich, A. F. Foerste, and A.K. Miller. 1943. Ozarkian and Canadian cephalopods. Part II, Brevicones. Geological Society of America Special Papers 49:1-240 [P. Wagner/P. Wagner/M. Uhen] | |
| 16397 | E. O. Ulrich, A. F. Foerste, A. K. Miller and W. M. Furnish. 1944. Ozarkian and Canadian cephalopods, longicones and summary. Geological Society of America Special Paper 58:1-226 [P. Wagner/P. Wagner/B. Kröger] |