Author:
Young,T.;Martin,F.;Dean,W.T.;Rushton,A.W.A.
Year:
1994
Title:
Cambrian stratigraphy of St.Tudwal's Peninsula, Gwynedd, Northwest Wales
Reference:
Young,T. et al. (1994) Cambrian stratigraphy of St.Tudwal's Peninsula, Gwynedd, Northwest Wales Geological Magazine Vol. 131 # 3 P. 335- 360
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Genus Species Country(Region) From To
Pterospermella Pterospermella solida Wales(Gwynedd) Early Cambrian Middle Cambrian
Retisphaeridium Retisphaeridium dichamerum Wales(Gwynedd) Early Cambrian Middle Cambrian
Retisphaeridium Retisphaeridium howellii Wales(Gwynedd) Early Cambrian Middle Cambrian
Skiagia Skiagia insignis Wales(Gwynedd) Early Cambrian
Skiagia Skiagia scottica Wales(Gwynedd) Early Cambrian
Skiagia Skiagia sp Wales(Gwynedd) Early Cambrian Middle Cambrian
Skiagia Skiagia sp Wales(Gwynedd) Middle Cambrian
Stelliferidium Stelliferidium pingiculum Wales(Gwynedd) Late Cambrian
Stelliferidium Stelliferidium sp Wales(Gwynedd) Late Cambrian
Synsphaeridium Synsphaeridium sp.1 Cram.& Diez.,1972 sp. nov. Wales(Gwynedd) Early Cambrian Middle Cambrian
Timofeevia Timofeevia lancariae Wales(Gwynedd) Late Cambrian
Timofeevia Timofeevia microretis Wales(Gwynedd) Late Cambrian
Timofeevia Timofeevia pentagonalis Wales(Gwynedd) Late Cambrian
Timofeevia Timofeevia phosphoritica Wales(Gwynedd) Late Cambrian
Vulcanisphaera Vulcanisphaera africana Wales(Gwynedd) Late Cambrian
Vulcanisphaera Vulcanisphaera turbata Wales(Gwynedd) Late Cambrian