List of fossiliferous stratigraphic units in Wales

From Wikipedia, the free encyclopedia

Group or Formation Period Notes
Aber Mawr Shale Ordovician
Afon Ffinnant Formation Ordovician
Allt Ddu Formation Ordovician
Aran Volcanic Group/Llyn y Gafr Formation Ordovician
Bala Group/Rhiwlas Formation Ordovician
Carboniferous
Blaencediw Formation Ordovician
Bod Deiniol Formation Ordovician
Bodeidda Mudstone Ordovician
Bronydd Formation Silurian
Bryn Siltstone Formation Ordovician
Builth Volcanic Ordovician
Camnant Mudstone Ordovician
Carmarthen Formation Ordovician
Carmarthen Group/Afon Ffinnant Formation Ordovician
Carnedd Iago Formation Ordovician
Crychan Formation Silurian
Cwm Felin Boeth Formation Ordovician
Cymerig Limestone Ordovician
Ordovician
Dolhir Formation Ordovician
Dyserth Quarry Limestone Carboniferous
Elton Beds Silurian
Cambrian
Ffestiniog Flags Cambrian
Foel Formation Carboniferous
Ordovician
Ordovician
Glyn Gower Formation Ordovician
Ordovician
Gronant Formation Carboniferous
Haverford Formation Ordovician
Haverford Mudstone Silurian
Hells Mouth Grits Cambrian
High Tor Limestone Carboniferous
Hirnant Limestone Ordovician
Hope Shale Ordovician
Hughley Shale Silurian
Carboniferous
Leete Limestone Carboniferous
Llanarmon Limestone Carboniferous
Carboniferous
Llanelly Formation Carboniferous
Llanfallteg Formation Ordovician
Llanfawr Mudstone Ordovician
Llwyn Formation Carboniferous
Silurian
Silurian
/ Silurian
/Whitcliffe Formation Silurian
Mawddach Group/ Ordovician
May Hill Sandstone Formation Silurian
Mercia Mudstone Triassic
Silurian
Milford Haven Formation Silurian
Moel Hiraddug Limestone Carboniferous
Nant Ffrancon Formation Ordovician
Nant Hir Formation Ordovician
Nant Hir Group/Derfel Limestone Ordovician
Ogof Hen Formation Ordovician
Onny Shale Ordovician
Silurian
Plas Uchaf Formation Ordovician
Ordovician
Pontyfenni Formation Ordovician
Devonian
Devonian
Senni Beds Devonian
Sholeshook Limestone Ordovician
Ordovician
Spring Quarry Limestone Carboniferous
St. Maughan's Formation Devonian
Sully Beds Triassic
Sutton Formation Jurassic
Jurassic
Trefawr Formation Silurian
Treiorwerth Formation Ordovician
Silurian
Silurian
Silurian
Silurian
Wenallt Formation Ordovician
Wenlock Shale Silurian
Silurian
Woolhope Limestone Silurian

See also[]

References[]

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. {{cite web}}: |author= has generic name (help)
Retrieved from ""