| details |
Late Cambrian |
Early Ordovician |
Algeria |
Stricanne,L. et al. A statistical approach to classification of the Cambro-Ordovician galeate acritarch plexus |
2002 |
| details |
Early Tremadocian |
|
Argentina(Salta) |
Vergel,M.D.M. et al. Ordovician palynomorphs of Argentina: An integrated approach. (Aspects of the Ordovician System in Argentina.) |
2002 |
| details |
Late Tremadocian |
|
Argentina(Salta) |
Vergel,M.D.M. et al. Ordovician palynomorphs of Argentina: An integrated approach. (Aspects of the Ordovician System in Argentina.) |
2002 |
| details |
Tremadocian |
|
Iran |
Mehrjerdi,H. Palynostratigraphy and palaeobiogeography of a Lower Palaeozoic sequence in the type-section of Shirgesht Formation, Northern Tabas City, East-Central Iran. |
2001 |
| details |
Late Tremadocian |
Early Arenigian |
S.Ireland(Kerry) |
Todd,S.P. et al. An Early Ordovician age for the Annascaul Formation of the southeast Dingle Peninsula southwest Ireland. |
2000 |
| details |
Late Cambrian |
Early Tremadocian |
Canada(Newfoundland) |
Parsons,M.G. et al. Acritarch microfloral succession from the Late Cambrian and Ordovician (Early Tremadoc) of Random Island, Eastern Newfoundland, and its comparison to coeval microfloras, particularly those of the Eastern European Platform. |
2000 |
| details |
Late Arenigian |
Early Llanvirnian |
China(Guizhou) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Late Arenigian |
Early Llanvirnian |
China(Hupei) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Late Arenigian |
Early Llanvirnian |
China(Szechwan) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Middle Arenigian |
|
China(Szechwan) |
Fatka,O. et al. Morphologic variability in two populations of Arbusculidium filamentosum (Vavrdova 1965), Vavrdova,1972. |
1999 |
| details |
Late Tremadocian |
Early Arenigian |
S.Ireland(Kerry) |
Connery,C. et al. Tremadoc-Arenig acritarchs from the Annascaul Formation, Dingle Peninsula, County Kerry, Ireland. |
1999 |
| details |
Late Tremadocian |
|
Argentina(Salta) |
Rubinstein,C.V. et al. Acritarch biostratigraphy of the upper Tremadoc-Arenig of the Eastern Cordillera, northwestern Argentina: relationships with graptolite and trilobite faunas. |
1999 |
| details |
Late Tremadocian |
|
Argentina(Jujuy) |
Rubinstein,C.V. et al. Acritarch biostratigraphy of the upper Tremadoc-Arenig of the Eastern Cordillera, northwestern Argentina: relationships with graptolite and trilobite faunas. |
1999 |
| details |
Tremadocian |
|
Tunisia |
Vecoli,M. et al. Palynostratigraphy of Upper Cambrian-upper Ordovician intracratonic clastic sequences, North Africa. |
1999 |
| details |
Tremadocian |
|
Algeria |
Vecoli,M. et al. Palynostratigraphy of Upper Cambrian-upper Ordovician intracratonic clastic sequences, North Africa. |
1999 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Tremadocian |
|
Poland |
Bednarczyk,W.S. Stratigraphic position of acritarchs from the Lowermost Ordovician of the Holy Cross (Gory Swietokrzyskie) Mts in the light of conodonts studies. |
1998 |