Nicolella-Onniella Association (Phase 3), Bala, Wales, UK (Ordovician to of the United Kingdom)

Where: Wales, United Kingdom (53.0° N, 4.0° W: paleocoordinates 50.0° S, 18.4° W)

• local area-level geographic resolution

When: Gelli-Grin Formation, Soudleyan to Soudleyan (458.4 - 454.0 Ma)

• Upper part of Gelli-grin Fm

• formation-level stratigraphic resolution

Environment/lithology: shoreface; lithified, ooidal limestone and sandstone

• Limestone and oolitic, tuffaceous sandstone

Size class: macrofossils

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3370: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 31.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Euomphalina - Platyceratidae
Cyclonema sp.
Cyclonema sp. Hall 1852 snail
Rhynchonellata
 Atrypida - Cyclospiridae
Cyclospira sp.
Cyclospira sp. Hall and Clarke 1893
 Orthida - Hesperorthidae
Dolerorthis sp.
Dolerorthis sp. Schuchert and Cooper 1931
 Orthida - Productorthidae
Nicolella sp.
Nicolella sp. Reed 1917
 Orthida - Rhactorthidae
Rhactorthis sp.
Rhactorthis sp. Williams 1963
 Orthida - Cremnorthidae
Cremnorthis sp.
Cremnorthis sp. Williams 1963
 Orthida - Harknessellidae
Reuschella sp.
Reuschella sp. Bancroft 1928
 Orthida - Dalmanellidae
Howellites sp., Dalmanella sp.
Howellites sp. Bancroft 1945
Dalmanella sp. Hall and Clarke 1892
 Protorthida - Skenidiidae
Skenidioides sp.
Skenidioides sp. Schuchert and Cooper 1931
Strophomenata
 Strophomenida - Rafinesquinidae
Leptaena sp., "Macrocoelia sp." = Colaptomena
Leptaena sp. Dalman 1828
"Macrocoelia sp." = Colaptomena Cooper 1956
 Strophomenida - Aegiromenidae
Sericoidea sp.
Sericoidea sp. Lindström 1953
 Strophomenida - Leptestiidae
Leptestiina sp.
Leptestiina sp. Opik 1933
 Strophomenida - Sowerbyellidae
Eoplectodonta sp.
Eoplectodonta sp. Kozlowski 1929
 Orthotetida - Triplesiidae
Bicuspina sp.
Bicuspina sp. Havlicek 1950
Trilobita
 Phacopida - Calymenidae
Flexicalymene sp.
Flexicalymene sp. Shirley 1936 trilobite
 Phacopida - Pterygometopidae
Chasmops sp., Estoniops sp.
Chasmops sp. M'Coy 1849 trilobite
Estoniops sp. Mannil 1958 trilobite
 Phacopida - Acastidae
Kloucekia sp.
Kloucekia sp. Delo 1935 trilobite