Junction beds (Ordovician to of the United Kingdom)

Where: Northern Ireland, United Kingdom (54.6° N, 6.9° W: paleocoordinates 19.4° S, 27.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bardahessiagh Formation, Onnian to Onnian (452.0 - 445.6 Ma)

• The fossils come from unknown positions within the Bardahessiagh Formation (always spelled "Bardahessaigh Formation" by Evans, 1993). According to fig. 2 in Evans (1993) the Bardahessiagh Fm. spans the Rocklandian and Kirkfieldian stages.

• formation-level stratigraphic resolution

Environment/lithology: marine; sandstone and mudstone

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Primary reference: W. I. Mitchell. 1977. The Ordovician Brachiopoda from Pomeroy, Co. Tyrone. The Palaeontographical Society Monographs 130(545):1-138 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 163265: authorized by Björn Kröger, entered by Björn Kröger on 18.10.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Stropheodontidae
Origostrophia fragilis Mitchell 1977
 Strophomenida - Sowerbyellidae
Anisopleurella anceps Mitchell 1977
Sowerbyella cf. monilifera Cooper 1956
Sowerbyella (Sowerbyella) cf. monilifera
Eochonetes celticus Mitchell 1977
 Strophomenida - Leptestiidae
"Leangella discuneata" = Diambonia discuneata
"Leangella discuneata" = Diambonia discuneata Lamont 1935
 Strophomenida - Aegiromenidae
Chonetoidea radiatula Barrande 1879
 Strophomenida - Bimuriidae
Bimuria sp. Ulrich and Cooper 1942
 Strophomenida - Rafinesquinidae
Leptaena rugosa Dalman 1828
 Billingsellida - Clitambonitidae
Vellamo sp. Opik 1930
Atelelasma sp. Cooper 1956
Rhynchonellata
 Orthida - Plaesiomyidae
Plaesiomys sp. Hall and Clarke 1892
 Orthida - Dalmanellidae
 Protorthida - Skenidiidae
Lingulata
 Lingulida - Obolidae
Plectoglossa sp. Cooper 1956