| original |
Caradocian |
|
Sweden |
Laufeld,S. Caradocian chitinozoa from Dalarna, Sweden. |
1967 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Late Virgulian |
|
Sweden |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Late Virgulian |
|
USSR(Latvian SSR) |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Late Virgulian |
|
USSR(Estonian SSR) |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Middle Ordovician |
|
USSR(Baltic) |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Middle Ordovician |
|
USSR(Latvian SSR) |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Middle Ordovician |
|
Sweden |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Caradocian |
|
Sweden |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Middle Ordovician |
|
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Early Caradocian |
|
Sweden |
Grahn,Y. et al. Chitinozoan dating of Ordovician impact events in Sweden and Estonia; a preliminary note. |
1993 |
| details |
Early Caradocian |
|
Baltic |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Early Caradocian |
|
Scandinavia |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Late Kukruse |
|
Sweden |
Lindstrom,M. et al. Post-impact deposits in Tvaren, a marine Middle Ordovican Crater Southern of Stockholm, Sweden |
1994 |
| details |
Late Kukruse |
|
Sweden |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |
| details |
Kukruse |
|
USSR(Estonian SSR) |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |