Formosa Village: Eifelian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa
- Stauriida
- Amplexidae
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? Heterophrentis sp.
Billings 1875
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originally entered as "? Heterophrentis sp." | ||||||||||
Cephalopoda
- Oncocerida
- Brevicoceratidae
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? Exocyrtoceras sp.
Flower 1938
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originally entered as "? Exocyrtoceras sp." | ||||||||||
Gastropoda
- Murchisoniina
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Murchisonia sp.
d'Archiac and de Verneuil 1841
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= Murchisonioidea indet.
Koken 1896
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Wagner 2023 | |||||||||
Gastropoda
- Murchisoniina
- Gosseletinidae
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Mourlonia confertinemilata
Fagerstrom 1961
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recombined as Pleurorima confertinemilata | ||||||||||
n. sp. | ||||||||||
Strophomenata
- Strophomenida
- Strophodontidae
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Megastrophia (Megastrophia) proxicostellata
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subgn. (Megastrophia); n. sp. | ||||||||||
Rhynchonellata
- Rhynchonellida
- Camarotoechiidae
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Camarotoechia lamellosa
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n. sp. | ||||||||||
Rhynchonellata
- Pentamerida
- Clorindidae
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Pentamerella pavilionensis
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Rhynchonellata
- Spiriferida
- Hysterolitidae
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Fimbrispirifer divaricatus
(Hall 1857)
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Rhynchonellata
- Athyridida
- Meristellidae
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Meristella subrotunda
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n. sp. | ||||||||||
Rhynchonellata
- Terebratulida
- Cranaenidae
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Cranaena romingeri
(Hall 1863)
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Rhynchonellata
- Terebratulida
- Cryptonellidae
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Cryptonella lens
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Trilobita
- Proetida
- Proetidae
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Proetus (Crassiproetus) crassimarginatus
(Hall 1843)
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recombined as Crassiproetus crassimarginatus | ||||||||||
subgn. (Crassiproetus) | ||||||||||
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: JA: originally entered as Emsian, but the Formosa Reef Limestone is 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 |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Also known as: | Fagerstrom #1 | ||
Database number: | 3844 | ||
Authorizer: | J. Alroy, P. Wagner | Enterer: | M. Sommers, P. Wagner |
Modifier: | J. Alroy | Research group: | marine invertebrate |
Created: | 1999-08-10 21:24:43 | Last modified: | 2012-08-20 06:15:44 |
Access level: | the public | Released: | 1999-08-10 21:24:43 |
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] |
Secondary references:
9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |