| details |
Middle Ordovician |
Late Ordovician |
Kentucky |
Jacobson,S.R. Acritarchs as paleoenvironmental indicators in Middle and Upper Ordovician rocks from Kentucky, Ohio and New York. |
1979 |
| details |
Middle Ordovician |
Late Ordovician |
Ohio |
Jacobson,S.R. Acritarchs as paleoenvironmental indicators in Middle and Upper Ordovician rocks from Kentucky, Ohio and New York. |
1979 |
| details |
Middle Ordovician |
|
USSR(Baltic) |
Ditsevichyus,E.K. New chitinozoan species from Ordovician and Silurian deposits of the Southern Baltic and north-western Byelorussia.I.Acanthochitina and some Conochitina. (In: Palaeontology and stratigraphy of the Baltic Region and Byelorussia) |
1970 |
| details |
Middle Ordovician |
|
USSR(Belorussian SSR) |
Ditsevichyus,E.K. New chitinozoan species from Ordovician and Silurian deposits of the Southern Baltic and north-western Byelorussia.I.Acanthochitina and some Conochitina. (In: Palaeontology and stratigraphy of the Baltic Region and Byelorussia) |
1970 |
| details |
Middle Ordovician |
|
Oklahoma |
Grahn,Y. et al. Chitinozoa from the Middle Ordovician Bromide Formation, Arbuckle Mountain, Oklahoma, USA. |
1986 |
| details |
Middle Ordovician |
|
Oklahoma |
Grahn,Y. et al. Chitinozoa from the Middle Ordovician Bromide Formation, Arbuckle Mountain, Oklahoma, USA. |
1986 |
| details |
Middle Ordovician |
Middle Gothlandian |
USSR(Siberia) |
Lopushinskaya,T.V. et al. The Ordovician and Silurian of the Noginsk area of the Siberian Platform |
1983 |
| details |
Middle Ordovician |
|
USSR(Siberia) |
Lopushinskaya,T.V. et al. The Ordovician and Silurian of the Noginsk area of the Siberian Platform |
1983 |
| details |
Middle Ordovician |
Late Ordovician |
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Middle Ordovician |
|
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Middle Ordovician |
Late Ordovician |
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Middle Ordovician |
|
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Middle Ordovician |
Late Ordovician |
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Middle Ordovician |
Late Ordovician |
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Middle Ordovician |
Late Ordovician |
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Middle Ordovician |
|
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Middle Ordovician |
|
New York |
Miller,M.A. et al. Guide to visited Middle Ordovician localities. (In: A Field excursion to Trenton Group, (Middle and Upper Ordovician) and Hamilton Group Middle Ordovician) localities in New York and a survey of their chitinozoans. M.A.Miller, editor) |
1986 |