- Author:
- Young,T.P.
- Year:
- 1993
- Title:
- Discussion of a revision of the age of the Hen-dy-capel Ooidal Ironstone, (Ordovician), Llanenga, North Wales. (T.P.Young and Reply T.P.Young)
- Reference:
- Young,T.P. (1993) Discussion of a revision of the age of the Hen-dy-capel Ooidal Ironstone, (Ordovician), Llanenga, North Wales. (T.P.Young and Reply T.P.Young) Geological Journal Vol. 28 # 2 P. 205- 210
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Genus | Species | Country(Region) | From | To |
---|---|---|---|---|
Arbusculidium | Arbusculidium filamentosum | Wales | Llanvirnian | Llandeilian |
Barakella | Barakella fortunata | Wales | Llanvirnian | Llandeilian |
Desmochitina | Desmochitina minor | Wales | Llanvirnian | Llandeilian |
Frankea | Frankea hamulata | Wales | Llanvirnian | Llandeilian |
Frankea | Frankea longiuscula | Wales | Llanvirnian | Llandeilian |
Striatotheca | Striatotheca quieta | Wales | Llanvirnian | Llandeilian |