Melville Peninsula, south shore of Roche Bay, Bad Cache Rapids Formation: Wildernessian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
informal Strophomenid indet.
Anthozoa - Auloporida - Tetraporellidae
Labyrinthites (Labyrinthites) chidlensis
Anthozoa - Heliolitida - Halysitidae
Catenipora spp.
Anthozoa - Stauriida - Streptelasmatidae
Grewingkia sp. Dybowski 1873
unclassified
Echinodermata indet. Klein 1754
columnal debris
Stenolaemata - Trepostomida - Amplexoporidae
Amplexopora arctica
unclassified
Brachiopoda indet. Cuvier 1805
lingulid fragments
Strophomenata - Strophomenida - Sowerbyellidae
Sowerbyella sp. Jones 1928
Strophomenata - Strophomenida - Syndielasmatidae
? Sowerbyites sp. Teichert 1937
Strophomenata - Strophomenida - Strophomenidae
Strophomena undulosa Roy 1941
recombined as Nasutimena undulosa
Strophomenata - Strophomenida - Furcitellidae
Oepikina sp. (Salmon 1942)
original and current combination Opikina
Strophomenata - Strophomenida - Rafinesquinidae
Rafinesquina sp. Hall and Clarke 1892
Cephalopoda - Orthocerida - Proteoceratidae
Gorbyoceras baffinense
Ephippiorthoceras compressum
Cephalopoda - Actinocerida - Actinoceratidae
Actinoceras ruedemanni
Actinoceras ruedemanni var. clarkei [entered as Actinoceras ruedemanni]
Cephalopoda - Endocerida - Endoceratidae
Cyclendoceras sp. Grabau and Shimer 1910
Gastropoda - Euomphalina - Macluritidae
Maclurites sp. Le Sueur 1818
Gastropoda - Murchisoniina - Trochonematidae
Trochonema sp. Salter 1859
Ostracoda - Leperditicopida - Leperditiidae
Eoleperditia sp. Swartz 1949
Trilobita - Corynexochida - Illaenidae
Illaenus cf. groenlandicus
Chlorophyceae - Receptaculitidae
Receptaculites sp. Defrance 1827
see common names

Geography
Country:Canada State/province:Northwest Territories County:District of Franklin
Coordinates: 68.4° North, 82.3° West (view map)
Paleocoordinates:4.2° South, 42.5° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4-5
*Period:Middle Ordovician - Late/Upper Ordovician *Local age/stage:Wildernessian - Barneveldian
Key time interval:Wildernessian
Age range of interval:457.00000 - 449.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Bad Cache Rapids
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:brown argillaceous "limestone"
Includes fossils?Y
Lithology description: massive- to thick-bedded, fossiliferous limestone, upper face, at least 25 ft. thick; thin- to thick-bedded, sublithographic to finely crystalline, brown fossiliferous limestone, middle face, at least 30 ft thick.
Environment:open shallow subtidal
Glacial or sequence phase:transgressive
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:26953
Authorizer:S. Holland Enterer:T. Hanson
Modifier:S. Holland Research group:marine invertebrate
Created:2002-11-09 21:33:29 Last modified:2004-10-22 13:46:40
Access level:the public Released:2002-11-09 21:33:29
Creative Commons license:CC BY
Reference information

Primary reference:

7452. T. E. Bolton. 1977. Ordovician megafauna, Melville Peninsula, southeastern District of Franklin. Geological Survey of Canada, Bulletin 269:23-75 [S. Holland/T. Hanson/M. Uhen]