| original |
Caradocian |
Ashgillian |
Algeria |
Jardin©,S. et al. Stratigraphic distribution of acritarchs in the Palaeozoic of the Algerian Sahara. |
1974 |
| details |
Nd |
|
Czechoslovakia |
VavrdovЎ,M. Acritarchs from the Sarka Formation (Llanvirnian). |
1977 |
| details |
Late Llandoverian |
Early Wenlockian |
Italy(Sardinia) |
Del Rio,M. et al. Silurian acritarchs of the Paleozoic succession of Domusnovas, (southwest Sardinia). |
1979 |
| details |
Ordovician |
|
Bulgaria |
Sergeeva,L.A. et al. On the Paleozoic age of the metamorphic rocks in Stradza |
1979 |
| details |
Ordovician |
|
Bulgaria |
Sergeeva,L.A. et al. Micropaleophytological investigations of metamorphic formations of the Carpathian Balkan folded region. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Late Caradocian |
|
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| details |
Late Marshbrookian |
|
England(Shropshire) |
Turner,R.E. Acritarchs from the type area of the Ordovician Caradoc Series, Shropshire, England. |
1984 |
| details |
Late Ordovician |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Caradocian |
Middle Ashgillian |
USSR(Estonian SSR) |
Uutela,A. et al. Ordovician acritarchs from the Rapla borehole, Estonia |
1991 |
| details |
Caradocian |
Ashgillian |
Sweden(Gotland) |
Eiserhardt,K.H. The Acritarchs of the –jlemyrflintes. |
1992 |
| details |
Late Ordovician |
|
Algeria |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Late Ordovician |
|
Algeria |
Stancliffe,R.P.W. et al. The acritarch genus Veryhachium Deunff,1954, emend., Sarjeant and Stancliffe,1994: A taxonomic restudy and a reassessment of its constituent species. |
1994 |
| details |
Late Anisian |
Ladinian |
Slovinia |
Jerinic,G. et al. Palynological and stratigraphical problems of Middle Triassic siliciclastics from Croation off-shore well Susak More-1, (Adriatic Sea), and northwest Slovenia. |
1994 |
| details |
Early Caradocian |
|
Sweden |
Wallin,A. et al. Biostratigraphical investigation of Middle Ordovician acritarch the post-impact sequence in the Tvaren-2 core, Sweden. |
1996 |
| details |
Caradocian |
Ludlovian |
Nepal |
Sinha,H.N. et al. Record of Prolific and Indubitable acritarchs from the Lower Paleozoic strata of the Tethyan Garhwal Himalaya and age implication |
1996 |
| details |
Late Ordovician |
|
Algeria |
Oulebsir,L. et al. Acritarch biostratigraphy in the Cambrio-Ordovician from the Algerian Sahara. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |
| details |
Caradocian |
Wenlockian |
India(Himachal Pradesh) |
Sinha,H.N. et al. Taxonomy of Veryhachium complex from the Lower Paleozoic marine sediments of Tethyan Garhwal Himalaya, and their environmental significance. |
1996 |