Zygospiraella community, Manitoulin Fm., Manitoulin Island: Llandovery, Canada

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Crinoidea indet. Miller 1821
Rhombifera - Callocystitidae
Brockocystis sp. Foerste 1914
Strophomenata - Orthotetida - Chilidiopsidae
Fardenia sp. Lamont 1935
Rhynchonellata - Atrypida
Zygospiraella planoconvexa
Copper 1982
Rhynchonellata - Atrypida - Atrypinidae
Eospirigerina sp. Schuchert and Cooper 1930
originally entered as "Eospiringerina sp."
Rhynchonellata - Rhynchonellida - Rhynchonellidae
Rhynchonellidae indet. Gray 1848
rhynchonellids - originally entered as "Rhynchonellida indet."
Rhynchonellata - Orthida - Rhipidomellidae
Mendacella sp. Cooper 1930
Rhynchonellata - Orthida - Platystrophiidae
Platystrophia sp. King 1850
Stenolaemata - Cryptostomata - Ptilodictyidae
? Phaenopora sp. Hall 1851
branching bryozoan - originally entered as "? Phaenopora sp."
Anthozoa - Rugosa
Rugosa indet. Milne-Edwards and Haime 1850
Anthozoa - Favositida - Favositidae
Paleofavosites sp. Twenhofel 1914
see common names

Country:Canada State/province:Ontario
Coordinates: 45.8° North, 82.3° West (view map)
Paleocoordinates:20.6° South, 48.8° West
Basis of coordinate:based on political unit
Period:Silurian Epoch:Llandovery
10 m.y. bin:Silurian 1
*Epoch:Early/Lower Llandovery
Key time interval:Llandovery
Age range of interval:443.80000 - 433.40000 m.y. ago
* legacy (obsolete) database fields
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"
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"
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:2017-01-31 19:13:28
Access level:the public Released:1999-01-07 11:36:09
Creative Commons license:CC BY
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]