Salopia/Bryozoa assemblage Sample S5, Pebbly Sands, Ffairfach (Ordovician of the United Kingdom)

Where: Wales, United Kingdom (52.0° N, 4.0° W: paleocoordinates 58.0° S, 19.7° W)

• small collection-level geographic resolution

When: Didymograptus murchisoni graptolite zone, Ffairfach Pebbly Sands Formation (Ffairfach Group), Late/Upper Llanvirn (463.5 - 460.9 Ma)

• Ffairfach Section Sample S5

•JA: originally entered as Lower Llandeilo and resolved to the formation level, but Upper Llanvirn according to the authors and certainly resolved to the bed level

• bed-level stratigraphic resolution

Environment/lithology: shoreface; sandstone and conglomerate

• Intermittantly bioturbated sandstone and conglomeratic sandstone

Size class: macrofossils

Collection methods: bulk, sieve

Primary reference: A. Williams, M. G. Lockley, and J. M. Hurst. 1981. Benthic palaeocommunities represented in the Ffairfach Group and coeval Ordovician successions of Wales. Palaeontology 24(4):661-694 [A. Miller/P. Novack-Gottshall/J. Alroy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 69531: authorized by Arnold Miller, entered by Arnold Miller on 27.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• Brachiopod faunal associations
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
 Asaphida - Asaphidae
Basilicus tyrannus Murchison 1839 trilobite
Rhynchonellata
 Orthida - Linoporellidae
 Orthida - Hesperorthidae
 Orthida - Glyptorthidae
Glyptorthis viriosa Williams 1974
 Orthida - Giraldiellidae
Strophomenata
 Billingsellida - Gonambonitidae
Kullervo sp. Opik 1932
 Strophomenida - Rafinesquinidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Stenolaemata
 Trepostomata -
Trepostomata indet. Ulrich 1882
 Trepostomida - Monticuliporidae
? Prasopora sp. Nicholson and Etheridge 1877
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily