| original |
Llanvirnian |
Llandeilian |
England(Shropshire) |
Jenkins,W.A.M. Ordovician chitinozoa from Shropshire. |
1967 |
| details |
Llanvirnian |
Llandeilian |
England(Cumberland) |
Wadge,A.J. et al. A probable Didymograptus murchisoni zone fauna from the Lake District. |
1969 |
| details |
Early Caradocian |
|
Wales |
Atkinson,K. et al. Lower Caradocian (Upper Ordovician) chitinozoa from North Wales. |
1971 |
| details |
Llanvirnian |
|
France(Calvados) |
Rauscher,R. Ordovician chitinozoans from the May-sur-Orne (Calvados) Syncline |
1971 |
| details |
Early Llanvirnian |
Late Llandeilian |
Europe |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
| details |
Llanvirnian |
|
S.Ireland(Offaly) |
BrŠ¼ck,P.M. et al. The Lower Palaeozoic stratigraphy of the northern part of the Leinster Massif |
1974 |
| details |
Llanvirnian |
Llandeilian |
England(Shropshire) |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Llanvirnian |
Early Llandeilian |
Europe |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
| details |
Middle Ordovician |
Late Ordovician |
S.Ireland(Mayo) |
Graham,J.R. et al. The age and significance of a small Lower Palaeozoic Inlier in County Mayo. |
1981 |
| details |
Early Llanvirnian |
|
England(Cumberland) |
Arthurton,R.S. et al. Ordovician and Silurian. (In: Geology of the Country around Penrith.) |
1981 |
| details |
Caradocian |
Llandoverian |
India(Madhya Pradesh) |
Khanna,A.K. et al. Yong Limestone of Tethys Himalaya-Its stratigraphic status and palynological fossils |
1985 |
| details |
Ordovician |
Silurian |
India |
Sah,S.C.D. Palynological records from Himalaya. Their stratigraphical and palaeoenvironmental significance. |
1985 |
| details |
Llanvirnian |
Llandeilian |
Gondwanaland |
Paris,F. The Ordovician chitinozoan biozones of the northern Gondwana Domain |
1990 |
| details |
Late Llanvirnian |
|
Saudi Arabia |
Al-Hajri,S. Biostratigraphy of the Ordovician chitinozoa of Northwestern Saudi Arabia. (In: Palaeozoic Palynostratigraphy of the Kingdom of Saudi Arabia. B.Owens et al, editors) |
1995 |
| details |
Late Llanvirnian |
|
Saudi Arabia |
Al-Hajri,S. Biostratigraphy of the Ordovician chitinozoa of Northwestern Saudi Arabia. (In: Palaeozoic Palynostratigraphy of the Kingdom of Saudi Arabia. B.Owens et al, editors) |
1995 |
| details |
Llanvirnian |
|
Saudi Arabia |
Strother,P.K. et al. New evidence for land plants from the Lower Middle Ordovician of Saudi Arabia |
1996 |
| details |
Early Llanvirnian |
|
Germany(Rostock) |
Samuelsson,J. et al. Chitinozoan faunas from the Rugen Ordovician (110gen 5/66 and Binz 1/73 wells), northeast Germany. |
2000 |