"Gamebridge edrioasteroid bed," Verulam Fm.: Caradoc, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Corynexochida - Illaenidae
Bumastoides sp. (Whittington 1954)
Trilobita - Phacopida - Calymenidae
Flexicalymene sp. Shirley 1936
Trilobita - Phacopida - Cheiruridae
Ceraurus sp. Green 1832
Trilobita - Phacopida - Encrinuridae
Encrinuroides sp. Reed 1931
Trilobita - Phacopida - Pterygometopidae
Calyptaulax sp. Cooper 1930
Trilobita - Lichida - Lichidae
Amphilichas sp. Raymond 1905
Hemiarges sp. Gürich 1901
Trilobita - Asaphida - Asaphidae
Isotelus sp. Dekay 1824
Ostracoda - Palaeocopida - Bassleratiidae
Bassleratia sp.
originally entered as "Basskeratia sp."
Ostracoda - Palaeocopida - Tetradellidae
Thomasatia sp. Kay 1934
originally entered as "Tromasatia sp."
Ostracoda - Leperditicopida - Leperditiidae
Eoleperditia sp. Swartz 1949
Stenolaemata - Cryptostomata - Rhinidictyidae
Rhinidictya sp. Ulrich 1882
Pachydictya sp. Ulrich 1882
Stenolaemata - Cryptostomata - Ptilodictyidae
Stictoporella sp. Ulrich 1882
Stenolaemata - Trepostomata - Halloporidae
Hallopora sp. Bassler 1911
Stenolaemata - Trepostomida - Monticuliporidae
Mesotrypa sp. Ulrich 1893
Prasopora sp. Nicholson and Etheridge 1877
Strophomenata - Strophomenida - Sowerbyellidae
Sowerbyella sp. Jones 1928
Strophomenata - Strophomenida - Furcitellidae
Oepikina sp. (Salmon 1942)
Strophomenata - Strophomenida - Rafinesquinidae
Rafinesquina sp. Hall and Clarke 1892
Rhynchonellata - Atrypida - Anazygidae
Zygospira sp. Hall 1862
Anazyga sp. Davidson 1882
Rhynchonellata - Rhynchonellida - Rhynchotrematidae
Rhynchotrema sp. Hall 1860
2 species
Rhynchonellata - Orthida - Dalmanellidae
Resserella sp. Bancroft 1928
Rhynchonellata - Orthida - Platystrophiidae
Platystrophia sp. King 1850
Rhynchonellata - Orthida - Plectorthidae
Plectorthis sp. Hall and Clarke 1892
Rhynchonellata - Orthida - Hesperorthidae
Hesperorthis sp. Schuchert and Cooper 1931
Rhynchonellata - Orthida - Plaesiomyidae
Dinorthis sp. Hall and Clarke 1892
Bivalvia - Nuculanida - Cucullellidae
Nuculites sp. Conrad 1841
Bivalvia - Solemyida - Ctenodontidae
Tancrediopsis sp. (Beushausen 1895)
Ctenodonta sp. Salter 1852
Cephalopoda - Endocerida - Endoceratidae
Endoceras sp. Hall 1847
Cephalopoda - Actinocerida - Actinoceratidae
Actinoceras sp. Bronn 1837
Gastropoda - Bellerophontida - Pterothecidae
Pterotheca sp. Salter 1853
Gastropoda - Murchisoniina - Subulitidae
Fusispira sp. Hall 1872
Subulites sp. Emmons 1842
Gastropoda - Murchisoniina - Hormotomidae
Hormotoma sp. (Salter 1859)
2 species
Gastropoda - Murchisoniina - Eotomariidae
Eotomaria sp. Ulrich and Scofield 1897
    = Eotomaria dryope Billings 1865
Wagner 2023
Gastropoda - Murchisoniina - Lophospiridae
Lophospira sp. Whitfield 1886
Rhombifera - Glyptocystitidae
Glyptocystites sp. Billings 1854
Crinoidea - Dendrocrinida - Dendrocrinidae
Ottawacrinus sp. Billings 1887
Crinoidea - Cupulocrinidae
Cupulocrinus sp. d'Orbigny 1849
Edrioasteroidea - Isorophidae
Isorophusella sp. Bassler 1935
Edrioasteroidea - Isorophida
Cryptogoleus sp.
see common names

Geography
Country:Canada State/province:Ontario
Coordinates: 44.8° North, 79.3° West (view map)
Paleocoordinates:24.6° South, 55.0° West
Basis of coordinate:based on political unit
Time
Period: Ordovician Epoch: Late Ordovician
10 m.y. bin: Ordovician 4-5
*Period:Middle Ordovician *Epoch:Caradoc
Key time interval: Caradoc
Age range of interval: 458.4 - 449.6 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Verulam
Stratigraphic resolution:bed
Stratigraphy comments: "M. Ord."
Lithology and environment
Primary lithology: lime mudstone
Environment:shallow subtidal indet. Tectonic setting:cratonic basin
Geology comments: "intercalated micritic ls and mud. shallow shelf. BA3. stable interior craton"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Taxonomic list comments:"J.B.Waddington, 1980. A soft substrate community with edrioasteroids, from the Verulam Fm. (M. Ord.) at Gamebridge, Ontario. Can. J. Earth Sci. 17:674-679."
Metadata
Database number:336
Authorizer:J. Sepkoski, P. Wagner Enterer:M. Sommers, P. Wagner
Modifier:J. Ju Research group:marine invertebrate
Created:1998-11-20 10:07:18 Last modified:2017-01-02 05:29:28
Access level:the public Released:1998-11-20 10:07:18
Creative Commons license:CC BY
Reference information

Primary reference:
60947. J. B. Waddington. 1980. A soft substrate community with edrioasteroids, from the Verulam Formations (Middle Ordovician) at Gamebridge, Ontario. Canadian Journal of Earth Sciences 17:674-679 [M. Uhen/J. Ju/M. Uhen]

Secondary references:

9042 P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner]