| details |
Ordovician |
Llandoverian |
Nd |
Gray,J. Tetrahedraletes, Nodospora, and the "cross" tetrad; An accretion of myth. (In: Pollen and Spores, Patterns of Diversification. S.Blackmore and S.H.Barnes, editors) |
1991 |
| details |
Ashgillian |
Late Llandoverian |
|
Rubinstein,C.V. Silurian acritarchs from South America: A review. |
1996 |
| details |
Late Llandoverian |
Early Wenlockian |
S.Ireland(Clare) |
Williams,D.M. et al. Implications of the new microfloral evidence from the Clew Bay complex for Silurian relationships in the Western Irish Caledonides. |
1996 |
| details |
Late Gedinnian |
Early Siegenian |
Scotland(Grampian) |
Richardson,J.B. Abnormal spores and possible interspecific hybridization as a factor in the evolution of Early Devonian land plants |
1996 |
| details |
Pridolian |
Early Lochkovian |
England(Shropshire) |
Edwards,D. et al. Tetrads in Sporangia and spores Masses from the Upper Silurian and Lower Devonian of the Welsh Borderland |
1999 |
| details |
Ashgillian |
Early Devonian |
England(Shropshire) |
Edwards,D. et al. Hepatic characters in the earliest land plants. |
1995 |
| details |
Llanvirnian |
Caradocian |
Argentina(San Juan) |
Vergel,M.D.M. et al. Ordovician palynomorphs of Argentina: An integrated approach. (Aspects of the Ordovician System in Argentina.) |
2002 |
| details |
Silurian |
|
Egypt |
Schrank,E. Paleozoic and Mesozoic palynomorphs from the Foram 1 Well (Western Desert, Egypt). |
1984 |
| original |
Early Llandoverian |
|
Egypt |
Schrank,E. Palaeozoic and Mesozoic palynomorphs from northeast Africa (Egypt and Sudan) with special reference to Late Cretaceous pollen and dinoflagellates. |
1987 |
| details |
Early Gothlandian |
|
Canada(Ontario) |
Eley,B.E. et al. Cherts of Southern Ontario |
1989 |
| details |
Lochkovian |
|
England(Shropshire) |
Edwards,D. New insights into early land ecosystems: A glimpse of a Lilliput World. |
1996 |
| details |
Gedinnian |
|
England(Herefordshire) |
Barclay,W.J. et al. Brackish water faunas from the St.Maughans Formation: The Old Red Sandstone Section at Ammons Hill, Hereford and Worcester, United Kingdom re-examined. |
1994 |
| details |
Gedinnian |
|
England(Worcestershire) |
Barclay,W.J. et al. Brackish water faunas from the St.Maughans Formation: The Old Red Sandstone Section at Ammons Hill, Hereford and Worcester, United Kingdom re-examined. |
1994 |
| details |
Gedinnian |
|
England(Worcestershire) |
Barclay,W.J. et al. Brackish water faunas from the St.Maughans Formation: The Old Red Sandstone Section at Ammons Hill, Hereford and Worcester, United Kingdom re-examined. |
1994 |
| details |
Homerian |
|
England(Shropshire) |
Turner,N. et al. A palynological study of the Lower Carboniferous Lydebrook Sandstone and adjacent Late Wenlock and Langsettian Strata, Shropshire, England. |
1995 |
| details |
Early Silurian |
|
Ohio |
Taylor,W.A. Ultrastructure of Tetrahedraletes medinensis (Strother and Traverse) Wellmand and Richardson, from the Upper Ordovician of Southern Ohio |
1995 |
| details |
Early Devonian |
|
England(Herefordshire) |
Richardson,J.B. Abnormal spores and possible interspecific hybridization as a factor in the evolution of Early Devonian land plants |
1996 |