Author:
Allen,J.R.L.;Thomas,R.G.;Williams,B.P.J.
Year:
1981
Title:
Field Meeting: The facies of the Lower Old Red Sandstone, North of Milford Haven, Southwest Dyfed, Wales.
Reference:
Allen,J.R.L. et al. (1981) Field Meeting: The facies of the Lower Old Red Sandstone, North of Milford Haven, Southwest Dyfed, Wales. Proceedings of the Geologists' Association Vol. 92 # 4 P. 251- 267
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Genus Species Country(Region) From To
Verrucosisporites Verrucosisporites polygonalis Wales(Pembrokeshire) Middle Siegenian Late Siegenian