| details |
Ordovician |
|
Poland |
GŠ³rka,H. "Melanosclerites" extracted from Ordovician erratic boulders in Poland. |
1971 |
| details |
Ordovician |
|
Baltic |
Eisenack,A. The microfossils of Osteekalke (Ordovician) 3. Graptolite, Melanoskelton, Sponge, Radiolarian, problematic and Supplements on Foraminifera and phytoplankton |
1971 |
| details |
Middle Devonian |
|
Germany |
Sarjeant,W.A.S. Acritarchs; anellotubulates; dinoflagellates; hystrichospheres; melanosclerites; tasmanitids. (Edited by Fairbridge and Jablonsky) |
1979 |
| details |
Late Siegenian |
Early Emsian |
Canada(Quebec) |
Cashman,P.B. Melanosclerites; first North American report of These problematic microfossils and discussion of their affinity |
1992 |
| details |
Ordovician |
Devonian |
Nd |
Cashman,P.B. Miscellaneous. 13C -Melanosclerites. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Pragian |
|
Canada(Quebec) |
Cashman,P.B. Miscellaneous. 13C -Melanosclerites. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Ordovician |
Devonian |
Nd |
Cashman,P.B. Miscellaneous. 13C -Melanosclerites. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |