| details |
Middle Devonian |
Late Devonian |
Illinois |
Guennel,G.K. Devonian spores in a Middle Silurian Reef. |
1963 |
| details |
Caradocian |
Frasnian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1966 |
| details |
Llandeilian |
Frasnian |
Canada(NWT) |
Jansonius,J. Classification and stratigraphic application of chitinozoa. |
1970 |
| details |
Caradocian |
Famennian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1967 |
| details |
Harnagian |
Early Onnian |
Portugal |
Paris,F. Distribution of chitinozoans in the Louredo Formation, Upper Ordovician of the Bucaco Syncline, Portugal. |
1978 |
| details |
Late Devonian |
Early Mississippian |
Maryland |
Curry,R.P. et al. A preliminary report on Upper Devonian microfossils from the Allegheny Front in Maryland and West Virginia. |
1972 |
| details |
Late Devonian |
Early Mississippian |
West Virginia |
Curry,R.P. et al. A preliminary report on Upper Devonian microfossils from the Allegheny Front in Maryland and West Virginia. |
1972 |
| details |
Ludlovian |
Early Downtonian |
Wales(Carmarthenshire) |
Richardson,J.B. et al. Upper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and South Wales |
1969 |
| details |
Silurian |
Devonian |
France(Cotes du Nord) |
Deunff,J. et al. The presence of a paleoplankton of acritarchs, chitinozoans, spores, scolecodonts and radiolarians from the Siluro - Devonian Formations of the Plourach Region, (Cotes-du-Nord). |
1971 |
| details |
Middle Precambrian |
Cambrian |
Africa |
Locquin,M.V. Nature and systematics of the chitinozoans or Chitinomycetes. |
1980 |
| details |
Ordovician |
|
Africa |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Devonian |
|
Africa |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Ordovician |
|
Europe |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Devonian |
|
Europe |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Ordovician |
|
USA |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Devonian |
|
North America |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Devonian |
|
South America |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |