| details |
Middle Devonian |
|
Canada(Ontario) |
Obermajer,M. et al. Application of acritarch fluorescence in thermal maturity study. |
1999 |
| details |
Late Ordovician |
|
Michigan |
Obermajer,M. et al. Application of acritarch fluorescence in thermal maturity study. |
1999 |
| details |
Bajocian |
|
|
Martinez,M.A. et al. Jansonia psilata, n.sp., a Middle Jurassic dinoflagellate from the Neuqu©n Basin, Argentina |
1999 |
| details |
Late Cenomanian |
Early Turonian |
Tunisia |
Caron,M. et al. Duration of the oceanic anoxic event at the Cenomanian-Turonian boundary cyclostratigraphic interpretation of the Bahloul Formation in Central Tunisia |
1999 |
| details |
Late Santonian |
Early Campanian |
Russia(Taymyr) |
Khomentovskii,O.V. et al. Santonian-Campanian boundary in northern Siberia |
1999 |
| details |
Llanvirnian |
Early Caradocian |
Argentina(San Juan) |
Ottone,E.G. et al. Palynomorphs conodonts and associated Graptolites from the Ordovician Los Azules Formation, Central Precordillers, Argentina |
1999 |
| details |
Early Bajocian |
|
|
Martinez,M.A. et al. Jansonia psilata, n.sp., a Middle Jurassic dinoflagellate from the Neuqu©n Basin, Argentina |
1999 |
| details |
Eifelian |
Frasnian |
Canada(Alberta) |
Stasiuk,L.D. Microscopic studies of sedimentary organic matter: key to understanding organic-rich strata, with Paleozoic examples from Western Canada Basin |
1999 |
| details |
Middle Arenigian |
|
Czechoslovakia(Bohemia) |
Fatka,O. et al. Morphologic variability in two populations of Arbusculidium filamentosum (Vavrdova 1965), Vavrdova,1972. |
1999 |
| details |
Middle Arenigian |
|
China(Szechwan) |
Fatka,O. et al. Morphologic variability in two populations of Arbusculidium filamentosum (Vavrdova 1965), Vavrdova,1972. |
1999 |
| details |
Hirnantian |
Wenlockian |
Argentina(San Juan) |
Rubinstein,C.V. et al. A palynomorph and graptolite biostratigraphy of the Central Precordillera Silurian Basin, Argentina. |
1999 |
| details |
Late Tremadocian |
|
S.Ireland(Kerry) |
Connery,C. et al. Tremadoc-Arenig acritarchs from the Annascaul Formation, Dingle Peninsula, County Kerry, Ireland. |
1999 |
| details |
Late Tremadocian |
Middle Arenigian |
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 |
Middle Arenigian |
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 |
Middle Riphean |
Late Riphean |
Russia(Siberia) |
Sergeeva,V.N. Silicified microfossils from transitional Meso-Neoproterozoic deposits of the Turukhansk Uplift, Siberia. |
1999 |
| details |
Early Pridolian |
Late Ludlovian |
England(Herefordshire) |
Wetherall,P.M. et al. Palynology, biostratigraphy, and depositional environments around the Ludlow-Pridoli boundary at Woodbury Quarry, Herefordshire, England. |
1999 |
| details |
Late Toarcian |
Bajocian |
|
Martinez,M.A. et al. Palynofacies analysis applied to systems tract from the Middle Jurassic of the southwestern Neuqu©n Basin, Argentina. |
1999 |