Where: Wales, United Kingdom (52.9° N, 3.6° W: paleocoordinates 49.0° S, 17.9° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Dicranograptus caudatus graptolite zone, Upper Member (Gelli-grîn Formation), Woolstonian (457.2 - 454.0 Ma)
• Calcarous Ashes. higher part of calcareous ashes below Cymerig Limestone.
• member-level stratigraphic resolution
Environment/lithology: marine; calcareous ash and blue mudstone
Size class: macrofossils
Preservation: mold/impression
Reposited in the BMNH
Primary reference: H. B. Whittington. 1968. The Ordovician trilobites of the Bala Area, Merioneth. Part IV. Monograph of the Palaeontographical Society 122(520):93-138 [M. Hopkins/M. Hopkins]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 188591: authorized by Melanie Hopkins, entered by Melanie Hopkins on 08.09.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Trilobita | |
Amphilichas sp., "Platylichas nodulosus" = Allolichas nodulosus, "Conolichas melmerbiensis" = Otarozoum melmerbiensis
Amphilichas sp. Raymond 1905 trilobite
"Platylichas nodulosus" = Allolichas nodulosus McCoy 1851 trilobite
"Conolichas melmerbiensis" = Otarozoum melmerbiensis Reed 1907 trilobite | |
Otarion sp. Zenker 1833 trilobite | |
"Astroproetus cf. fearnsidesi" = Decoroproetus fearnsidesi
"Astroproetus cf. fearnsidesi" = Decoroproetus fearnsidesi Bancroft 1949 trilobite | |
Brongniartella minor Salter 1852 trilobite | |
Flexicalymene cf. caractaci Salter 1865 trilobite | |
Kloucekia apiculata McCoy 1851 trilobite | |
"Chasmops cambrensis" = Scopelochasmops cambrensis
"Chasmops cambrensis" = Scopelochasmops cambrensis Whittington 1962 trilobite | |
Deacybele pauca Whittington 1965 trilobite
Cybellela dentata Esmark 1833 trilobite | |
Broeggerolithus nicholsoni Reed 1910 trilobite |