Pentamerus community, Fossil Hill and Irondequoit Fms.: Llandovery, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Stromatoporoidea - Clathrodictyida - Clathrodictyidae
Clathrodictyon sp. Nicholson and Murie 1878
Anthozoa - Stauriida - Amplexidae
Amplexus sp. Sowerby 1814
Anthozoa - Stauriida - Arachnophyllidae
Arachnophyllum sp. Dana 1846
3 species
Anthozoa - Stauriida - Zaphrentidae
Zaphrentis sp. Haime 1850
Anthozoa - Stauriida - Ptychophyllidae
Ptychophyllum sp. Milne-Edwards and Haime 1850
2 species
Anthozoa - Stauriida - Streptelasmatidae
Enterolasma sp. Simpson 1900
Anthozoa - Heliolitida - Halysitidae
Halysites sp. von Waldheim 1813
3 species
Catenipora sp. Lamarck 1816
Anthozoa - Heliolitida - Heliolitidae
Heliolites sp. Dana 1846
Anthozoa - Heliolitida - Coccoserididae
Protaraea sp. Milne-Edwards and Haime 1851
Anthozoa - Auloporida - Syringoporidae
Syringopora sp. Goldfuss 1826
3 species
Anthozoa - Favositida - Alveolitidae
Alveolites sp. Lamarck 1801
Anthozoa - Favositida - Favositidae
Favosites sp. Lamarck 1816
3 species
Anthozoa - Favositida - Pachyporidae
Striatopora sp. Hall 1851
Crinoidea
Crinoidea indet. Miller 1821
crinoids
Rhombifera - Caryocrinitidae
Caryocrinites sp. Say 1825
unclassified
Lyellia sp.
Cephalopoda - Orthocerida - Kionoceratidae
Kionoceras sp. Hyatt 1884
Cephalopoda - Orthocerida - Orthoceratidae
Michelinoceras sp. Foerste 1932
2 species
Leurocycloceras sp. Foerste 1928
Cephalopoda - Barrandeocerida - Lechritrochoceratidae
Leurotrochoceras sp. Foerste 1926
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Rhynchotreta sp. Hall 1879
Rhynchonellata - Athyridida - Meristellidae
Whitfieldella sp. Hall and Clarke 1893
Rhynchonellata - Atrypida - Atrypidae
Atrypa sp. Dalman 1828
Rhynchonellata - Spiriferida - Cyrtiidae
Eospirifer sp. Schuchert 1913
Rhynchonellata - Spiriferida - Delthyrididae
Howellella sp. Kozlowski 1946
Rhynchonellata - Pentamerida - Pentameridae
Pentamerus sp. Sowerby 1813
Rhynchonellata - Orthida - Hesperorthidae
Dolerorthis sp. Schuchert and Cooper 1931
Rhynchonellata - Orthida - Dalmanellidae
Parmorthis sp.
see common names

Geography
Country:Canada State/province:Ontario
Coordinates: 43.0° North, 79.3° West (view map)
Paleocoordinates:28.4° South, 96.5° West (Wright 2013)
Basis of coordinate:based on political unit
Time
Period: Silurian Epoch: Llandovery
10 m.y. bin: Silurian 1
*Period:Early/Lower Silurian
Key time interval: Llandovery Zone:  Cycles V, VI
Age range of interval: 443.8 - 433.4 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphic resolution:group
Stratigraphy comments: "Fossil Hill and Irondequoit Fms. Lower Sil. upper Lland., cycles V and VI"
Lithology and environment
Primary lithology: dolomite
Environment:marine indet.
Geology comments: "dolomite; crinoidal ls."
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:"Ziegler et al. 1971 unpublished. Bolton 1957."
Metadata
Database number:461
Authorizer:J. Sepkoski Enterer:M. Sommers
Modifier:M. Clapham Research group:marine invertebrate
Created:1998-12-15 09:37:09 Last modified:2025-02-22 15:12:02
Access level:the public Released:1998-12-15 09:37:09
Creative Commons license:CC0
Reference information

Primary reference:
13433. T. E. Bolton. 1957. Silurian stratigraphy and palæontology of the Niagara escarpment in Ontario. Geological Survey of Canada Memoir 289:1-145 [P. Wagner/P. Wagner/J. Ju]

Secondary references:

61474 A. M. Ziegler. 1971. [M. Uhen/M. Uhen/J. Ju]