Genus
Estiastra Eisenack, 1959
Selection of related publications
Uutela, A., Tynni, R. 1991. Ordovician acritarchs from the Rapla borehole, Estonia.  Geological Survey of Finland. Bulletin   353,      1-135.
Volkova, N. A., Kiryanov, V. V., Piskun, L. V., Paškevičiene, L. T., Jankauskas, T. V. 1979. Microflora.  Upper Precambrian and Cambrian paleontology of East-European platform, pp. 4-38.   Nauka. 
Volkova, N. A. 1969. Achritarchs of the North-west of the Russian Platform.  Trudy GIN AN SSSR   206,      224-236.  Nauka. 
List of species
2. Estiastra magna Eisenack, 1959 | Silurian
3. Estiastra minima Volkova, 1969 | Lower Cambrian (old nomenclature)
4. Estiastra oligospinosum (Eisenack, 1934) | Pirgu Stage
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Classification
References based on distribution
- Uutela & Tynni, 1991 Rapla borehole 37.4 - 68 Pirgu Stage