Main quarry at Aldons (Ordovician of the United Kingdom)

Where: Scotland, United Kingdom (55.2° N, 4.8° W: paleocoordinates 21.9° S, 30.2° W)

When: Upper Member (Stinchar Formation), Llandeilo (461.1 - 458.4 Ma)

• top of the Stinchar Limestone, Aldons Quarry. Immediately underlying the superstes Mudstones exposed beneath overthrust Benan Conglomerate in the south-eastern face of the main quarry at Aldons

• group of beds-level stratigraphic resolution

Environment/lithology: nodular limestone

• Platy and nodular limestones

Size class: macrofossils

Preservation: cast

Primary reference: A. Williams. 1962. The Barr and lower Ardmillan series (Caradoc) of the Girvan District, south-west Ayrshire, with descriptions of the Brachiopoda. Memoir - Geological Society of London 3:1-267 [M. Patzkowsky/Z. Krug/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164931: authorized by Pete Wagner, entered by Pete Wagner on 05.01.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Protorthida - Skenidiidae
 Orthida - Archaeorthidae
Nothorthis tarda Cooper 1956
Nothorthis tarda lata
 Orthida - Orthidae
Taphrorthis aff. peculiaris, "Orthambonites parvicrassicostatus" = Sulevorthis parvicrassicostatus
"Orthambonites parvicrassicostatus" = Sulevorthis parvicrassicostatus Cooper 1956
 Orthida - Hesperorthidae
Ptychopleurella rectangulata Cooper 1956
Ptychopleurella rectangulata laciniata
 Orthida - Phragmorthidae
Phragmorthis buttsi Cooper 1956
 Orthida - Paurorthidae
 Atrypida - Protozygidae
"Protozyga rotunda" = Manespira rotunda
"Protozyga rotunda" = Manespira rotunda Cooper 1956
 Pentamerida - Porambonitidae
Porambonites sp. Pander 1830
 Pentamerida - Camerellidae
Strophomenata
 Strophomenida - Glyptomenidae
 Strophomenida - Bimuriidae
 Strophomenida - Sowerbyellidae
 Strophomenida - Leptellinidae
"Leptellina semilunata" = Leptellina (Leptellina) semilunata
"Leptellina semilunata" = Leptellina (Leptellina) semilunata Williams 1962
 Strophomenida - Christianiidae
Christiania sulcata Williams 1962