Dicoelosia-Orthostrophella Community, Ludlow, West Point Fm., Gaspe: Ludlow, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Rhynchospiridae indet.
Chileata - Dictyonellida - Eichwaldiidae
Dictyonella sp. Hall 1868
replaced by Eodictyonella
Rhynchonellata - Athyridida - Anoplothecidae
Coelospira sp. Hall 1863
Rhynchonellata - Athyridida - Nucleospiridae
Nucleospira sp. Hall 1859
Rhynchonellata - Athyridida - Meristellidae
Meristina sp. Hall 1867
Rhynchonellata - Spiriferida - Delthyrididae
Delthyris sp. Dalman 1828
Howellella sp. Kozlowski 1946
Rhynchonellata - Orthida - Orthidae
Orthostrophella sp.
Rhynchonellata - Orthida - Hesperorthidae
Dolerorthis sp. Schuchert and Cooper 1931
Ptychopleurella sp. Schuchert and Cooper 1931
Rhynchonellata - Orthida - Rhipidomellidae
Dalejina sp. Havlicek 1953
Rhynchonellata - Orthida - Dalmanellidae
Resserella sp. Bancroft 1928
Isorthis sp. Kozlowski 1929
Rhynchonellata - Atrypida - Atrypidae
Atrypa sp. Dalman 1828
Rhynchonellata - Atrypida - Lissatrypidae
Lissatrypa sp. Twenhofel 1914
Rhynchonellata - Rhynchonellida
Rhynchonellida indet. Kuhn 1949
Rhynchonellata - Pentamerida - Gypidulidae
Amsdenina sp.
Rhynchonellata - Pentamerida - Parastrophinidae
Grayina sp.
spelled with current rank as Anastrophia (Grayina)
Strophomenata - Orthotetida - Chilidiopsidae
Coolinia sp. Bancroft 1949
spelled with current rank as Fardenia (Coolinia)
Strophomenata - Strophomenida - Leptaenoideidae
Leptaenisca sp. Beecher 1890
Strophomenata - Strophomenida - Amphistrophiidae
Amphistrophiella sp. Harper and Boucot 1978
spelled with current rank as Amphistrophia (Amphistrophiella)
Strophomenata - Strophomenida - Strophonellidae
Strophonella sp. Hall 1879
unclassified
Porifera indet. Grant 1836
see common names

Geography
Country:Canada State/province:Quebec
Coordinates: 48.0° North, 65.0° West (view map)
Paleocoordinates:27.3° South, 30.2° West
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Silurian Epoch:Ludlow
10 m.y. bin:Silurian 2
Key time interval:Ludlow
Age range of interval:427.40000 - 423.00000 m.y. ago
Stratigraphy
Formation:West Point Member:Anse a la Loutre
Stratigraphic resolution:member
Lithology and environment
Primary lithology:gray lime mudstone
Includes fossils?Y
Lithology description: "fine grained matrix of micritic limestone...secondarily reddish due to weathering [originally gray]."
Environment:deep subtidal shelf
Geology comments: "Shells almost entirely articulated...High diversity suggests normal oxygen...normal level of turbulence...BA 4. [P.-A. Bourque] finds that the Gaspe occurrences represent fore-reef facies of the lower reef compelx of the West Point Formation."
SEP environmental call based on given information
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Collection method comments: Comparison with other occurrences of this Community suggests that the elements listed are present here.
Metadata
Database number:24818
Authorizer:M. Foote Enterer:M. Foote
Modifier:P. Wagner Research group:marine invertebrate
Created:2002-08-20 15:38:37 Last modified:2018-07-20 12:11:02
Access level:the public Released:2002-08-20 15:38:37
Creative Commons license:CC BY
Reference information

Primary reference:
6948. A. J. Boucot. 1999. Some Wenlockian-Geddinian, chiefly brachiopod dominated communities of North America. In A. J. Boucot, J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 549-591 [M. Foote/M. Foote/P. Wagner]