Bench Mark 1141-5 on mountain road south of Cwm-eoed-aeron (Silurian of the United Kingdom)

Where: Wales, United Kingdom (52.0° N, 3.8° W: paleocoordinates 34.5° S, 17.0° W)

• outcrop-level geographic resolution

When: Demirastrites triangulatus graptolite zone, Trefawr Formation, Aeronian (440.8 - 438.5 Ma)

• Basal Aeronian; Demirastrites triangulatus graptolite zone; B2 brachiopod zone of old literature.

• formation-level stratigraphic resolution

Environment/lithology: bioturbated, sandy mudstone

• Lithology from Davies et al. 2013. A revised sedimentary and biostratigraphical architecture for the Type Llandovery area, Central Wales. Geological Magazine 150:300-332

Size class: macrofossils

Primary reference: A. Williams. 1951. Llandovery brachiopods from Wales with special reference to the Llandovery District. Quarterly Journal of Geological Society, London 107:85-136 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185721: authorized by Pete Wagner, entered by Pete Wagner on 10.05.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Strophomenida - Strophomenidae
"Leptaena bella n. sp." = Cyphomenoidea bella
"Leptaena bella n. sp." = Cyphomenoidea bella Williams 1951