0.5 mi W of Chepstow: Eifelian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Oncocerida
- Brevicoceratidae
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Brevicoceras cf. conicum
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| originally entered as "Brevicoceras cf. conicum" | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Camarotoechiidae
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Camarotoechia tethys
(Billings 1860)
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Rhynchonellata
- Spiriferida
- Elythidae
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Elytha formosensis
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| synonym of Elita | ||||||||||
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Rhynchonellata
- Spiriferida
- Hysterolitidae
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Fimbrispirifer divaricatus
(Hall 1857)
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Ontario | County: | Bruce |
| Coordinates: | 44.0° North, 81.3° West (view map) | ||||
| Paleocoordinates: | 37.0° South, 27.7° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Devonian | Epoch: | Middle Devonian |
| Stage: | Eifelian | 10 m.y. bin: | Devonian 3 |
| *Period: | Middle Devonian | ||
| *International age/stage: | Emsian | *Local age/stage: | Onondagan |
| Key time interval: | Eifelian | ||
| Age range of interval: | 393.30000 - 387.70000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Amherstburg | Member: | Formosa Reef Limestone | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Not explicitly stated as Emsian in this ref; however, it is in Ludvigsen (1986). [JA: the Formosa Reef Limestone is actually Eifelian, see Edinger et al. 2002] | |||||
Lithology and environment
| Primary lithology: | gray lithified "reef rocks" |
| Secondary lithology: | lime mudstone |
| Environment: | reef, buildup or bioherm |
| Geology comments: "The bulk of the reef comprises poorly bedded stromatoporoidal boundstone and minor coralline boundstone in a matrix of lime mudstone and wackestone. [Ludvigsen, 1986]." | |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Fagerstrom #41 | ||
| Database number: | 3849 | ||
| Authorizer: | J. Alroy | Enterer: | M. Sommers |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 1999-08-10 23:09:40 | Last modified: | 2012-08-20 06:14:19 |
| Access level: | the public | Released: | 2000-11-20 13:53:20 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 257. | J. A. Fagerstrom. 1961. The fauna of the Middle Devonian Formosa Reef Limestone of southwestern Ontario. Journal of Paleontology 35(1):1-48 [J. Alroy/M. Sommers/J. Alroy] |