Bobcaygeon Fm., Carden Quarry, Table D12: Caradoc, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Ostracoda - Leperditicopida
Leperditicopida sp. Scott 1961
52 specimens
Trilobita - Phacopida - Cheiruridae
Ceraurinus sp. Barton 1913
18 specimens
Ceraurus sp. Green 1832
7 specimens
Trilobita - Phacopida - Pterygometopidae
Calyptaulax sp. Cooper 1930
4 specimens
Trilobita - Proetida - Bathyuridae
Raymondites sp. (Sinclair 1944)
1 specimen
original and current combination Bathyurus (Raymondites)
Trilobita - Proetida - Proetidae
? Proetidae indet. Salter 1864
1 specimen
Trilobita - Asaphida - Asaphidae
Isotelus sp. Dekay 1824
3 specimens
Trilobita - Corynexochida - Illaenidae
Bumastoides sp. (Whittington 1954)
1 specimen
Gastropoda - Murchisoniina - Lophospiridae
? Lophospira sp. Whitfield 1886
2 specimens
Bivalvia
Bivalvia indet. Linnaeus 1758
4 specimens
Rhynchonellata - Orthida - Plaesiomyidae
Plaesiomys sp. Hall and Clarke 1892
7 specimens
Rhynchonellata - Orthida - Dalmanellidae
Dalmanella sp. Hall and Clarke 1892
433 specimens
Rhynchonellata - Atrypida - Anazygidae
Zygospira sp. Hall 1862
38 specimens
Rhynchonellata - Atrypida - Cyclospiridae
Cyclospira sp. Hall and Clarke 1893
12 specimens
Rhynchonellata - Rhynchonellida - Rhynchotrematidae
Rhynchotrema sp. Hall 1860
17 specimens
Strophomenata - Strophomenida - Furcitellidae
? Oepikina sp. (Salmon 1942)
106 specimens
original and current combination Opikina
Strophomenata - Strophomenida - Rafinesquinidae
Rafinesquina sp. Hall and Clarke 1892
9 specimens
Strophomenata - Strophomenida - Sowerbyellidae
Sowerbyella sp. Jones 1928
98 specimens
Lingulata - Lingulida - Lingulidae
Lingula sp. Bruguiére 1797
2 specimens
Stenolaemata
Stenolaemata indet. Borg 1926
24 specimens
Asteroidea
Asteroidea indet. de Blainville 1830
1 specimen
Crinoidea
Crinoidea indet. Miller 1821
1 specimen
Rhombifera - Pleurocystitidae
Pleurocystites sp.
1 specimen
Anthozoa - Stauriida - Streptelasmatidae
Streptelasma indet. Hall 1847
2 specimens
see common names

Geography
Country:Canada State/province:Ontario
Coordinates: 44.6° North, 79.0° West (view map)
Paleocoordinates:24.8° South, 54.9° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4-5
Key time interval:Caradoc
Age range of interval:458.40000 - 449.60000 m.y. ago
Stratigraphy
Formation:Bobcaygeon
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:shelly/skeletal,gray lithified argillaceous packstone
Secondary lithology: lithified mudstone
Includes fossils?Y
Includes fossils?Y
Environment:deep subtidal indet. Tectonic setting:cratonic basin
Taphonomy
Modes of preservation:body
Preservation of anatomical detail:excellent
Abundance in sediment:common
Articulated whole bodies:many
Associated major elements:many
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:surface (float),field collection
Reason for describing collection:paleoecologic analysis
Collection method comments: sample is from an active quarry, so large blocks were surveyed from blast piles
Metadata
Database number:64479
Authorizer:S. Peters Enterer:S. Peters
Research group:marine invertebrate
Created:2006-09-09 09:25:39 Last modified:2024-03-31 19:20:47
Access level:the public Released:2006-09-09 09:25:38
Creative Commons license:CC BY
Reference information

Primary reference:
13544. S. E. Peters. 2003. Evenness, richness and the Cambrian-Paleozoic faunal transition in North America: an assemblage-level perspective. The University of Chicago 1-279 [S. Peters/S. Peters/P. Wagner]