Dol-cyn-afon fauna, North Wales, UK ( of the United Kingdom)

Where: England, United Kingdom (53.0° N, 4.0° W: paleocoordinates 73.0° S, 19.5° W)

• local area-level geographic resolution

When: Cressagian (486.5 - 482.0 Ma)

Environment/lithology: transition zone or lower shoreface; lithified, gray shale and siltstone

• Medium grey to dark grey mudstone, quartz "wacke" beds, rare cross-beds and convolutions

Primary reference: P. M. Allen, A. A. Jackson, and A. W. A. Rushton. 1981. The stratigraphy of the Mawddach Group in the Cambrian succesion of North Wales. Proceedings of the Yorkshire Geological Society 43(3):295-329 [A. Miller/P. Novack-Gottshall/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3712: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 07.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
 Rhombifera - Macrocystellidae
? Macrocystella sp.
? Macrocystella sp. Callaway 1877
originally entered as "Macrocystella? sp."
Pterobranchia
 Graptoloidea - Anisograptidae
Rhabdinopora sp.
Rhabdinopora sp. Eichwald 1860 graptolite
Hyolitha
 Hyolithida - Hyolithidae
Hyolithes sp.
Hyolithes sp. d'Eichwald 1840
originally entered as "Hyolithes" sp."
Lingulata
 Acrotretida - Acrotretidae
Eurytreta sp.
Eurytreta sp. Rowell 1966
 Lingulida - Elkaniidae
Broeggeria sp.
Broeggeria sp. Walcott 1902
 Lingulida - Obolidae
Lingulella sp.
Lingulella sp. Salter 1866
Trilobita
 Olenida - Olenidae
"Boeckaspis sp." = Sphaerophthalmella, "Beltella sp." = Leptoplastides, Parabolina sp.
"Boeckaspis sp." = Sphaerophthalmella Kobayashi 1955 trilobite
"Beltella sp." = Leptoplastides Raw 1908 trilobite
Parabolina sp. Salter 1849 trilobite
 Olenida - Eulomidae
Proteuloma sp.
Proteuloma sp. Sdzuy 1958 trilobite
 Phacopida - Cheiruridae
? Anacheirurus sp.
? Anacheirurus sp. Reed 1896 trilobite
originally entered as "Anacheirurus? sp."
 Asaphida - Nileidae
Psilocephalinella sp.
Psilocephalinella sp. Kobayashi 1951 trilobite
 Asaphida - Asaphidae
"Niobella sp." = Niobe (Niobella)
"Niobella sp." = Niobe (Niobella) Reed 1931 trilobite
 Asaphida - Remopleurididae
Apatokephalus sp.
Apatokephalus sp. Brögger 1896 trilobite
 Ptychopariida - Shumardiidae
Shumardia sp.
Shumardia sp. Billings 1862 trilobite
Artiopoda
 Agnostida - Agnostidae
Micragnostus sp.
Micragnostus sp. Howell 1935