Verulam Fm., Gamebridge Quarry, Table D.71: Caradoc, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Crinoidea
Crinoidea indet. Miller 1821
3 specimens
Rhombifera - Pleurocystitidae
Pleurocystites sp.
4 specimens
Edrioasteroidea - Isorophida
Isorophida indet.
1 specimen
Asteroidea - Hadrosida - Urasterellidae
? Salteraster sp. Stürtz 1893
2 specimens
Gastropoda - Murchisoniina - Lophospiridae
Lophospiridae indet. Wenz 1938
6 specimens
? Lophospira sp. Whitfield 1886
34 specimens
Gastropoda - Archaeogastropoda
? Archaeogastropoda indet. Thiele 1925
5 specimens
Bivalvia
Bivalvia indet. Linnaeus 1758
3 specimens
Strophomenata - Strophomenida - Sowerbyellidae
Sowerbyella sp. Jones 1928
365 specimens
Strophomenata - Strophomenida - Strophomenidae
? Strophomena sp. Rafinesque and De Blainville 1824
9 specimens
Strophomenata - Strophomenida - Furcitellidae
Oepikina sp. (Salmon 1942)
175 specimens
original and current combination Opikina
Strophomenata - Strophomenida - Rafinesquinidae
Rafinesquina sp. Hall and Clarke 1892
3 specimens
Rhynchonellata - Orthida
Orthida indet. Schuchert and Cooper 1932
7 specimens
Rhynchonellata - Orthida - Platystrophiidae
Platystrophia sp. King 1850
4 specimens
Rhynchonellata - Orthida - Plectorthidae
? Hebertella sp. Hall and Clarke 1892
12 specimens
Rhynchonellata - Orthida - Dalmanellidae
Dalmanella sp. Hall and Clarke 1892
77 specimens
Rhynchonellata - Atrypida - Anazygidae
Zygospira sp. Hall 1862
616 specimens
Rhynchonellata - Rhynchonellida - Rhynchotrematidae
Rhynchotrema sp. Hall 1860
147 specimens
Lingulata - Lingulida - Lingulidae
? Lingula sp. Bruguiére 1797
1 specimen
Trilobita - Asaphida - Asaphidae
Isotelus sp. Dekay 1824
8 specimens
Trilobita - Corynexochida - Illaenidae
Bumastoides sp. (Whittington 1954)
2 specimens
Trilobita - Phacopida
Phacopida indet. Salter 1864
1 specimen
Trilobita - Phacopida - Pterygometopidae
Calyptaulax sp. Cooper 1930
8 specimens
Trilobita - Phacopida - Cheiruridae
Ceraurus sp. Green 1832
8 specimens
Trilobita - Phacopida - Calymenidae
Flexicalymene sp. Shirley 1936
28 specimens
see common names

Geography
Country:Canada State/province:Ontario
Coordinates: 44.4° North, 71.2° West (view map)
Paleocoordinates:27.9° South, 49.7° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
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:Verulam
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:gray lithified calcareous mudstone
Secondary lithology: lithified argillaceous wackestone
Includes fossils?Y
Environment:deep subtidal indet.
Taphonomy
Modes of preservation:body
Preservation of anatomical detail:excellent
Abundance in sediment:common
Articulated whole bodies:some
Disassociated major elements:many
Collection methods and comments
Collection methods:surface (float),field collection
Reason for describing collection:paleoecologic analysis
Collection method comments: this is a quarry sample from large blocks blasted from wall
Metadata
Database number:64563
Authorizer:S. Peters Enterer:S. Peters
Research group:marine invertebrate
Created:2006-09-10 12:13:58 Last modified:2024-03-31 19:20:47
Access level:the public Released:2006-09-10 12:13:57
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]