Synsphaeridium sp.1
- Citations total:
- 3
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| original | Early Tremadocian | Algeria | Combaz,A. A microbiota of the Tremadocian in a drilling of Hassi-Messaoud. | 1967 | |
| original | Middle Cambrian | Spain | Cramer,F.H. et al. Acritarchs from the Upper Middle Cambrian Oville Formation of Leon, Northwestern Spain. | 1972 | |
| original | Early Riphean | Middle Riphean | USSR(Urals) | Hofmann,H.J. Paleoscene #7 -Precambrian biostratigraphy | 1987 |