| details |
Ordovician |
|
Spain |
Zalusky,D.W. Paleobiogeography of chitinozoa. (In: Stratigraphic Micropaleontology of Atlantic Basin and Borderlands. F.M.Swain, editor) |
1977 |
| details |
Ordovician |
|
Florida |
Zalusky,D.W. Paleobiogeography of chitinozoa. (In: Stratigraphic Micropaleontology of Atlantic Basin and Borderlands. F.M.Swain, editor) |
1977 |
| details |
Ordovician |
|
Portuguese Guinea |
Zalusky,D.W. Paleobiogeography of chitinozoa. (In: Stratigraphic Micropaleontology of Atlantic Basin and Borderlands. F.M.Swain, editor) |
1977 |
| details |
Llandeilian |
|
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Tremadocian |
Llanvirnian |
Canada(Newfoundland) |
Martin,F. Lower Paleozoic chitinozoa and acritarcha from Newfoundland. |
1978 |
| 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 |
Late Arenigian |
Early Llanvirnian |
England(Cumberland) |
Arthurton,R.S. et al. Ordovician and Silurian. (In: Geology of the Country around Penrith.) |
1981 |
| details |
Middle Ordovician |
|
USSR(Siberia) |
Lopushinskaya,T.V. et al. The Ordovician and Silurian of the Noginsk area of the Siberian Platform |
1983 |
| details |
Caradocian |
|
Canada(Anticosti Island) |
Achab,A. Chitinozoans from the Middle Ordovician of subsurface Anticosti Island. |
1984 |
| details |
Caradocian |
Ashgillian |
Saudi Arabia |
McClure,H.A. Chitinozoan and acritarch assemblages stratigraphy and biogeography of the Early Palaeozoic of Northw West Arabia |
1988 |
| details |
Late Llanvirnian |
Early Caradocian |
Canada(Arctic) |
Achab,A. et al. Ordovician chitinozoans from the Arctic Platform and the Franklinian Miogeosyncline in northern Canada |
1995 |
| details |
Early Caradocian |
Middle Caradocian |
Tennessee |
Siesser,W.G. et al. Caradocian chitinozoans from the Central Basin, Tennessee |
1998 |
| details |
Middle Ordovician |
Late Ordovician |
Iran |
Ghavidel-Syooki,M. Chitinozoan biostratigraphy and palaeogeography of Late Ordovician and Early Silurian strata at southwestern Bojnurd City in eastern Alborz Mountain Ranges (Kopet Dagh Region), Southeastern Caspian Sea. |
1998 |
| details |
Middle Ordovician |
|
Canada(Newfoundland) |
Albani,R. et al. Integrated chitinozoan, conodont, and graptolitebiostratigraphy from the upper part of the Cape Cormorant Formation (Middle Ordovician), western Newfoundland. |
2001 |