Selection of related publications
Sarjeant, W. A. S., Stancliffe, R. P. W. 1994. The acritarch genus Verynachidium, Deunff 1954, emend Sarjeant and Stancliffe 1994: a reassessment of its constituent species. Annales de la Société Géologique de Belgique 117, 2, 355-369.
Uutela, A., Tynni, R. 1991. Ordovician acritarchs from the Rapla borehole, Estonia. Geological Survey of Finland. Bulletin 353, 1-135.
Eklund, K. 1990. Lower Cambrian acritarch stratigraphy of the Bårstad 2 core, Östergötland, Sweden. GFF 112, 1, 19-44. DOI:10.1080/11035899009453157
Fridrichsone, A. 1971. Acritarchs Baltisphaeridium and Hystrichosphaeres (?) from the Cambrian sediments of Latvia.Palaeontology and stratigraphy of the Baltic and Byelorussia. Number III , pp. 5-17. Mintis.
List of species
2. Polygonium baltoscandium (Eklund, 1990) emend. | Cambrian
3. Polygonium breviradiatum (Uutela et Tynni, 1991) emend. Sarjeant et Stancliffe, 1994 | Idavere Substage→Jõhvi Substage
6. Polygonium gracile Vavrdová, 1966 emend. Jacobson et Achab 1985 emend. Sarjeant et Stancliffe 1996
8. Polygonium nanum (Deflandre, 1945) | Kunda Stage
9. Polygonium sexiradiatum (Timofeev, 1959) | Upper Cambrian (old nomenclature)
11. Polygonium tenuispinosum (Uutela et Tynni, 1991) emend. Sarjeant et Stancliffe, 1994 | Volkhov Stage→Uhaku Stage
12. Polygonium varium (Volkova, 1969) | Cambrian
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Classification
References based on distribution
- Eklund, 1990 Bårstad 2 borehole 54.8 - 59.47 Cambrian
- Eklund, 1990 Liepaja borehole 1449.5 - 1453.1 Cambrian
- Uutela & Tynni, 1991 Rapla borehole 146.2 - 151.6 Idavere Substage
- Uutela & Tynni, 1991 Rapla borehole 171 - 189 Volkhov Stage
- Uutela & Tynni, 1991 Rapla borehole 104 - 140 Keila Stage
- Uutela & Tynni, 1991 Rapla borehole 127.1 - 188.6 Kunda Stage
- Uutela & Tynni, 1991 Rapla borehole 184 - 188 Kunda Stage
- Fridrichsone, 1971 Radzyn IG 1 borehole, Poland Cambrian
- Fridrichsone, 1971 Stirnas 18 borehole 1113.1 - 1178.8 Cambrian
- Fridrichsone, 1971 Pavilosta 51 borehole 1302 - 1386.5 Cambrian
- Uutela & Tynni, 1991 Rapla borehole 171 - 189 Volkhov Stage