Where: Wales, United Kingdom (52.9° N, 3.6° W: paleocoordinates 52.2° S, 18.4° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Nant Hir Formation, Harnagian (458.4 - 457.2 Ma)
• Represents the Nant Hir Group minus the Derfel Limestone at its base. Lower to Middle Caradoc in age.
•
•Now a formation, not a group.
• group-level stratigraphic resolution
Environment/lithology: offshore; mudstone and siltstone
Size class: macrofossils
Primary reference: A. Williams. 1963. The Caradocian brachiopod faunas of the Bala District, Merionethshire. Bulletin of the British Museum of Natural History (Geology) 8(7):327-471 [m. patzkowsky/Z. Krug/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 43635: authorized by Mark Patzkowsky, entered by Zack Krug on 17.08.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
"Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea
"Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea Sowerby 1839 | |
Sericoidea abdita Whittington and Williams 1955 | |
? Hedstroemina spp. Bancroft 1929 | |
Rhynchonellata | |
Reuschella cf. horderleyensis Bancroft 1929 | |
Dinorthis berwynensis Whittington 1938 | |
Lingulata | |
Lingulella sp. Salter 1866 |