A. reticularis-G. lata-S. euglypha Assoc., Lower Bringewood, Welsh Borderland (Silurian of the United Kingdom)

Where: England, United Kingdom (52.0° N, 3.0° W: paleocoordinates 27.9° S, 13.0° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Lower Bringewood Formation, Gorstian (427.4 - 425.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; bioturbated, shelly/skeletal, calcareous siltstone

• "Indicates a higher energy environment more typical of the Upper Bringewood: the common bryozoa and solitary corals indate good water circulation. BA 3. Mainly outer shelf."
• "...nodular, bioturbated, moderately calcareous siltstones with abundant shell fragments; some cross-bedding occurs."

Size class: macrofossils

Collection methods: Percent abundances are given, based on 24 samples.

Primary reference: J. D. Lawson. 1999. Atkins' Lower Bringewood associations of Wales and the Welsh Borderland. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 380-387 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 23156: authorized by Michael Foote, entered by Michael Foote on 10.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Rhynchonellata
 Atrypida - Atrypidae
Atrypa reticularis Linnaeus 1758
 Orthida - Dalmanellidae
 Rhynchonellida - Hebetoechiidae
Sphaerirhynchia wilsoni de Sowerby 1816
 Pentamerida - Gypidulidae
Strophomenata
 Strophomenida - Strophochonetidae
 Strophomenida - Rafinesquinidae
"Leptaena depressa" = Leptaena (Leptaena) depressa
"Leptaena depressa" = Leptaena (Leptaena) depressa Sowerby 1824
 Strophomenida - Strophonellidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Trilobita
 Phacopida - Dalmanitidae
Anthozoa
  -
Anthozoa indet. Ehrenberg 1834
solitary corals
 Stauriida - Lykophyllidae
Phaulactis sp. Ryder 1926 horn coral