Llandeilo Sandstone-siltstone facies, Llandeilo, Wales, UK: Early Llandeilo, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Orthotetida - Triplesiidae
Oxoplecia sp. Wilson 1913
Strophomenata - Strophomenida - Sowerbyellidae
Sowerbyella sp. Jones 1928
Rhynchonellata - Orthida - Harknessellidae
Horderleyella sp. Bancroft 1928
Rhynchonellata - Orthida - Dalmanellidae
Dalmanella sp. Hall and Clarke 1892
Rhynchonellata - Orthida - Heterorthidae
Tissintia sp.
Rhynchonellata - Orthida - Glyptorthidae
Glyptorthis sp. Foerste 1914
Rhynchonellata - Orthida - Plectorthidae
Corineorthis sp.
Rhynchonellata - Orthida - Platystrophiidae
Mcewanella sp. Foerste 1920
Rhynchonellata - Pentamerida - Parastrophinidae
Parastrophinella sp. Schuchert and Cooper 1931
Lingulata - Lingulida - Discinidae
Schizotreta sp. Kutorga 1848
Lingulata - Lingulida - Trematidae
Schizocrania sp. Hall and Whitfield 1875
Lingulata - Lingulida - Obolidae
Palaeoglossa sp. Cockerell 1911
Lingulata - Lingulida - Pseudolingulidae
Pseudolingula sp. Mickwitz 1909
Gastropoda - Bellerophontida - Sinuitidae
Sinuites sp. Koken 1896
Bivalvia - Nuculida - Praenuculidae
Similodonta sp. Soot-Ryen 1964
Bivalvia - Cyrtodontida - Cyrtodontidae
Cyrtodonta sp. Billings 1858
Ostracoda - Palaeocopida - Primitiidae
Primitia sp. Jones and Holl 1923
Ostracoda - Palaeocopida - Tetradellidae
Tallinnella sp. Opik 1937
Trilobita - Phacopida - Calymenidae
Flexicalymene sp. Shirley 1936
Trilobita - Asaphida - Asaphidae
Ogygiocarella sp. Harrinton and Leanza 1957
synonym of Ogygiocaris
Basilicus sp. Salter 1849
Trilobita - Trinucleida - Trinucleidae
Lloydolithus sp. Bancroft 1933
Marrolithus sp. Bancroft 1929
see common names

Geography
Country:United Kingdom State/province:Wales
Coordinates: 52.0° North, 4.0° West (view map)
Paleocoordinates:58.8° South, 19.6° West
Geographic resolution:local area
Time
Period: Ordovician Epoch: Middle Ordovician
Stage: Darriwilian 10 m.y. bin: Ordovician 3
*Period:Middle Ordovician *Epoch:Early/Lower Llandeilo
Key time interval: Early Llandeilo
Age range of interval: 461.3 - 458.4 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphy comments: Facies assemblage of formations in the Type Llandeilo

Lithology and environment
Primary lithology:current ripples,burrows lithified sandstone
Secondary lithology: siltstone
Environment:transition zone/lower shoreface
Geology comments: Cross-laminated sandstone and siltstone, small-scale erosional features, shell lags, shale chip conglomerate, small bioturbation
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:3366
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Modifier:M. Uhen Research group:marine invertebrate
Created:1999-07-31 07:08:42 Last modified:2018-11-26 16:43:02
Access level:the public Released:1999-07-31 07:08:42
Creative Commons license:CC BY
Reference information

Primary reference:
163. C. J. Wilcox and M. G. Lockley. 1981. A reassessment of facies and faunas the type Llandeilo (Ordovician), Wales. Palaeogeography, Palaeoclimatology, Palaeoecology 34(3-4):285-314 [A. Miller/P. Novack-Gottshall]