- Author:
- Fortey,R.A.;Bassett,M.G.;Harper,D.A.T.;Hughes,R.A.;Ingham,J.K.;Molyneux,S.G.;Owen,A.W.;Owens,R.M.;Rushton,A.W.A.;Sheldon,P.R.
- Year:
- 1991
- Title:
- Progress and problems in the selection of stratotypes for the B of series in the Ordovician System of the historical type area the United Kingdom. (In: Advances in Ordovician Geology. C.R.Barnes and S.H.Williams, editors)
- Reference:
- Fortey,R.A. et al. (1991) Progress and problems in the selection of stratotypes for the B of series in the Ordovician System of the historical type area the United Kingdom. (In: Advances in Ordovician Geology. C.R.Barnes and S.H.Williams, editors) Geological Survey of Canada, Paper Vol. 90 # 9 P. 5- 25
- Google Academy:
- try to search by title in english
Genus | Species | Country(Region) | From | To |
---|---|---|---|---|
Acanthodiacrodium | Acanthodiacrodium angustum | England(Cumberland) | Arenigian | |
Acanthodiacrodium | Acanthodiacrodium dilatum | England(Cumberland) | Tremadocian | |
Caldariola | Caldariola glabra | England(Cumberland) | Tremadocian | |
Coryphidium | Coryphidium sp | England(Cumberland) | Arenigian | |
Micrhystridium | Micrhystridium acuminosum | England(Cumberland) | Tremadocian | Arenigian |
Stelliferidium | Stelliferidium trifidum | England(Cumberland) | Tremadocian | |
Striatotheca | Striatotheca sp | England(Cumberland) | Tremadocian | Arenigian |
Veryhachium | Veryhachium lairdii | England(Cumberland) | Arenigian |