| details |
Middle Proterozoic |
|
Montana |
Horodyski,R.J. Middle Proterozoic shale facies microbiota from the Lower Belt Supergroup, Little Belt Mountains, Montana. |
1980 |
| details |
Middle Proterozoic |
|
Montana |
Horodyski,R.J. Middle Proterozoic shale facies microbiota from the Lower Belt Supergroup, Little Belt Mountains, Montana. |
1980 |
| details |
Middle Proterozoic |
|
Montana |
Horodyski,R.J. Middle Proterozoic shale facies microbiota from the Lower Belt Supergroup, Little Belt Mountains, Montana. |
1980 |
| details |
Middle Proterozoic |
|
Montana |
Horodyski,R.J. Middle Proterozoic shale facies microbiota from the Lower Belt Supergroup, Little Belt Mountains, Montana. |
1980 |
| details |
Middle Proterozoic |
|
Montana |
Horodyski,R.J. Middle Proterozoic shale facies microbiota from the Lower Belt Supergroup, Little Belt Mountains, Montana. |
1980 |
| details |
Early Cambrian |
|
Tennessee |
Wood,G.D. et al. Acritarchs from the Lower Cambrian Murray Shale, Chilhowee Group, of Tennessee, USA. |
1982 |
| details |
Late Riphean |
Vendian |
Norway |
Vidal,G. et al. Planktonic, acid-resistant microfossils from the Upper Proterozoic strata of the Barents Sea Region of Varanger Peninsula, East Finnmark, northern Norway |
1983 |
| details |
Late Arenigian |
|
England(Lancashire) |
Rushton,A.W.A. et al. The biostratigraphic age of the Skiddaw Group in the Black Combe Inlier, English Lake District. |
1989 |
| details |
Pliensbachian |
Early Toarcian |
Canada(Alberta) |
Poulton,T.P. et al. Jurassic strata of Northwestern (and West-Central) Alberta and northeastern British Columbia |
1990 |
| details |
Toarcian |
|
England(Dorset) |
Ainsworth,N.R. et al. A proposed Latest Triassic to Earliest Cretaceous microfossil biozonation for the English Channel and its adjacent areas. (In: The development, evolution and petroleum geology of the Wessex Basin. J.R.Underhill, editor) |
1998 |
| details |
Arenigian |
Ordovician |
Saudi Arabia |
Molyneux,S.G. et al. Palynology of a problematic lower Palaeozoic lithofacies in the central Arabian Basin, Saudi Arabia. |
2000 |
| details |
Late Cenomanian |
Early Turonian |
Colorado |
Dodsworth,P. Trans-Atlantic dinoflagellate cyst stratigraphy across the Cenomanian - Turonian (Cretaceous) Stage boundary |
2000 |
| details |
Gorstian |
|
Sweden(Gotland) |
Stricanne,L. et al. Acritarch distribution along an inshore-offshore transect in the Gorstian (lower Ludlow) of Gotland, Sweden |
2004 |