Nicolella-Onniella Association (Phase 2), Bala, Wales, UK: Soudleyan - Marshbrookian, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Stenolaemata - Trepostomida - Monticuliporidae
Prasopora sp. Nicholson and Etheridge 1877
Rhynchonellata - Orthida - Linoporellidae
Salopia sp. Williams 1955
Rhynchonellata - Orthida - Dalmanellidae
Onniella sp. Bancroft 1928
Dalmanella sp. Hall and Clarke 1892
Howellites sp. (Bancroft 1945)
original and current combination Resserella (Howellites)
Rhynchonellata - Orthida - Harknessellidae
Reuschella sp. Bancroft 1928
Rhynchonellata - Orthida - Platystrophiidae
Platystrophia sp. King 1850
Rhynchonellata - Orthida - Rhactorthidae
Rhactorthis sp. Williams 1963
Rhynchonellata - Orthida - Plaesiomyidae
Dinorthis sp. Hall and Clarke 1892
Rhynchonellata - Orthida - Productorthidae
Nicolella sp. Reed 1917
Rhynchonellata - Orthida - Hesperorthidae
Dolerorthis sp. Schuchert and Cooper 1931
Rhynchonellata - Protorthida - Skenidiidae
Skenidioides sp. Schuchert and Cooper 1931
Strophomenata - Strophomenida - Sowerbyellidae
Anisopleurella sp. Cooper 1956
Sowerbyella sp. Jones 1928
Eoplectodonta sp. Kozlowski 1929
Strophomenata - Strophomenida - Aegiromenidae
Sericoidea sp. Lindström 1953
Strophomenata - Strophomenida - Leptestiidae
Leptestiina sp. Opik 1933
Strophomenata - Strophomenida - Bimuriidae
Bimuria sp. Ulrich and Cooper 1942
Strophomenata - Strophomenida - Leptellinidae
Palaeostrophomena sp. Holtedahl 1916
Strophomenata - Strophomenida - Rafinesquinidae
Macrocoelia sp.
synonym of Colaptomena
Leptaena sp. Dalman 1828
Kjaerina sp. Bancroft 1929
Strophomenata - Orthotetida - Triplesiidae
Bicuspina sp. Havlicek 1950
Craniata - Craniopsida - Craniopsidae
Paracraniops sp. Williams 1963
Gastropoda - Bellerophontida
Bellerophon sp. de Montfort 1808
    = Bellerophontoidea indet. M'Coy 1851
Wagner 2023
Gastropoda - Euomphalina - Platyceratidae
Cyclonema sp. Hall 1852
Ostracoda - Hollinocopida - Tetradellidae
Tallinnella sp. Opik 1937
Ostracoda - Leperditellocopida - Primitiidae
Primitia sp. Jones and Holl 1923
Trilobita - Odontopleurida - Odontopleuridae
Primaspis sp. Richter and Richter 1917
Trilobita - Trinucleida - Trinucleidae
Broeggerolithus sp. Lamont 1935
Trilobita - Lichida - Lichidae
Platylichas sp. (Gürich 1901)
Trilobita - Phacopida - Acastidae
Kloucekia sp. Delo 1935
Trilobita - Phacopida - Calymenidae
Flexicalymene sp. Shirley 1936
Trilobita - Phacopida - Homalonotidae
Brongniartella sp. Reed 1918
see common names

Geography
Country:United Kingdom State/province:Wales
Coordinates: 53.0° North, 4.0° West (view map)
Paleocoordinates:50.0° South, 18.4° West
Geographic resolution:local area
Time
Period:Ordovician Epoch:Late/Upper Ordovician
Stage:Sandbian 10 m.y. bin:Ordovician 4
*Period:Late/Upper Ordovician *Epoch:Middle Caradoc
*International age/stage:Soudleyan - Marshbrookian *Local age/stage:Soudleyan - Marshbrookian
Key time interval:Soudleyan - Marshbrookian
Age range of interval:458.40000 - 454.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Gelli-Grin
Stratigraphic resolution:formation
Stratigraphy comments: Lower part of formation
Lithology and environment
Primary lithology: lithified silty sandstone
Secondary lithology: "shale"
Environment:transition zone/lower shoreface
Geology comments: Tuffaceous siltstones, sandstones, nad mudstones
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:3368
Authorizer:A. Miller, P. Wagner Enterer:P. Novack-Gottshall, P. Wagner
Modifier:M. Uhen Research group:marine invertebrate
Created:1999-07-31 10:03:11 Last modified:2018-11-26 16:43:57
Access level:the public Released:1999-07-31 10:03:11
Creative Commons license:CC BY
Reference information

Primary reference:
165. M. G. Lockley. 1980. The Caradoc faunal associations of the area between Bala and Dines, North Wales. Bulletin of the British Museum of Natural History (Geology) 33(3):165-235 [A. Miller/P. Novack-Gottshall]

Secondary references:

9042 P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner]