Cabano Fm, Lower Llandovery, N. Appalachians, 57-G34 - Patzkowsky: Rhuddanian - Aeronian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Rhynchonellida - Rhynchotrematidae
? Stegerhynchus sp. (Foerste 1909)
original and current combination Rhynchonella (Stegerhynchus)
Rhynchonellata - Atrypida
Protatrypa sp. Boucot et al. 1964
Rhynchonellata - Athyridida - Meristellidae
? Cryptothyrella sp. Cooper 1942
synonym of Hindella
Rhynchonellata - Orthida - Dalmanellidae
Dalmanella sp. Hall and Clarke 1892
Strophomenata - Strophomenida - Leptostrophiidae
Eostropheodonta cf. mullochensis (Reed 1917)
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena rhomboidalis (Wahlenberg 1818)
recombined as Leptaena (Leptaena) rhomboidalis
Strophomenata - Strophomenida - Leptestiidae
Leangella sp. Opik 1933
Strophomenata - Strophomenida - Sowerbyellidae
Plectodonta sp. Kozlowski 1929
Strophomenata - Orthotetida - Chilidiopsidae
Fardenia sp. Lamont 1935
Trilobita - Proetida - Proetidae
Latiproetus sp. Lu 1962
see common names

Geography
Country:Canada State/province:Quebec
Coordinates: 47.6° North, 68.9° West (view map)
Paleocoordinates:22.2° South, 40.2° West
Geographic resolution:small collection
Time
Period:Silurian Epoch:Llandovery
10 m.y. bin:Silurian 1
*Period:Early/Lower Silurian *Epoch:Early/Lower Llandovery
Key time interval:Rhuddanian - Aeronian
Age range of interval:443.80000 - 438.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Quebec Formation:Cabano
Stratigraphic resolution:group of beds
Stratigraphy comments: "the beds have proved eventually to be of early Llandovery age."
Lithology and environment
Primary lithology:pebbly lithified mudstone
Secondary lithology: lithified "shale"
Includes fossils?Y
Lithology description: shale-mudstone facies, here, a few (less than 6) pebbly mudstone beds, no thicker than 3 feet, are found within the uppermost 500 ft.
Environment:offshore
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: Most of the fossils came from the pebbly mudstone beds.
Metadata
Database number:11317
Authorizer:M. Patzkowsky Enterer:A. Krug
Modifier:P. Wagner Research group:marine invertebrate
Created:2001-08-09 13:42:45 Last modified:2018-08-30 22:13:13
Access level:the public Released:2001-08-09 13:42:45
Creative Commons license:CC BY
Reference information

Primary reference:

4162. W. G. Ayrton, W.B.N. Berry, A.J. Boucot, J. Lajoie, P.J. Lesperance, L. Pavlides, and W.B. Skidmore. 1969. Lower Llandovery of the Northern Appalachians and Adjacent Regions. Geological Society of America Bulletin 80:459-484 [M. Patzkowsky/A. Krug]