Zygospiraella community, Manitoulin Fm., Manitoulin Island: Llandovery, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Crinoidea
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Crinoidea indet.
Miller 1821
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| crinozoans | ||||||||||
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Rhombifera
- Callocystitidae
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Brockocystis sp.
Foerste 1914
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Stenolaemata
- Cryptostomata
- Ptilodictyidae
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? Phaenopora sp.
Hall 1851
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| branching bryozoan - originally entered as "? Phaenopora sp." | ||||||||||
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Strophomenata
- Orthotetida
- Chilidiopsidae
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Fardenia sp.
Lamont 1935
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Rhynchonellata
- Rhynchonellida
- Rhynchonellidae
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Rhynchonellidae indet.
Gray 1848
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| rhynchonellids - originally entered as "Rhynchonellida indet." | ||||||||||
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Rhynchonellata
- Atrypida
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| Copper 1982 | ||||||||||
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Rhynchonellata
- Atrypida
- Atrypinidae
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Eospirigerina sp.
Schuchert and Cooper 1930
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| originally entered as "Eospiringerina sp." | ||||||||||
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Rhynchonellata
- Orthida
- Rhipidomellidae
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Mendacella sp.
Cooper 1930
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Rhynchonellata
- Orthida
- Platystrophiidae
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Anthozoa
- Rugosa
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Rugosa indet.
Milne-Edwards and Haime 1850
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Anthozoa
- Favositida
- Favositidae
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Paleofavosites sp.
Twenhofel 1914
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Ontario |
| Coordinates: | 45.8° North, 82.3° West (view map) | ||
| Paleocoordinates: | 25.2° South, 98.2° West (Wright 2013) | ||
| Basis of coordinate: | based on political unit |
Time
| Period: | Silurian | Epoch: | Llandovery |
| 10 m.y. bin: | Silurian 1 | *Epoch: | Early/Lower Llandovery |
| Key time interval: | Llandovery | ||
| Age range of interval: | 443.8 - 433.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Manitoulin | ||||
| Stratigraphy comments: "Lower Llandoverian (A + B)" |
Lithology and environment
| Primary lithology: | dolomite | ||
| Environment: | lagoonal | Tectonic setting: | cratonic basin |
| Geology comments: "thin med-bedded dolomite (w/ irreg. bedded dolo in bioherms). quiet protected lagoonal inter-reef habitat. BA2? Cratonic" | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:"Copper, 1978. Paleoenvironments and paleocommunities in the Ord-Sil sequence of Manitoulin Island. Mich. Basin. Geol. Soc. Spec. Paper 3:47-61" | |
Metadata
| Database number: | 508 | ||
| Authorizer: | A. Miller | Enterer: | M. Sommers |
| Modifier: | M. Uhen | Research group: | marine invertebrate |
| Created: | 1999-01-07 11:36:09 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 1999-01-07 11:36:09 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 6608. | P. Copper and D. J. Grawbarger. 1978. Paleoecological succession leading to a late Ordovician biostrome on Manitoulin Island, Ontario. Canadian Journal of Earth Sciences 15:1987-2005 [W. Kiessling/B. Bookhagen/P. Wagner] |
Secondary references:
| 26569 | P. Copper. 1982. Early Silurian atrypoids from Manitoulin Island and Bruce Peninsula, Ontario. Journal of Paleontology 56(3):680-702 [W. Kiessling/U. Merkel] |