Species
Heliocrinites balticus (Eichwald, 1829)
Synonymy list
1826     Echinosphaerites aranea (costatus) — Schlotheim , pp. 309
1829     Echinosphaerites balticus — Eichwald , pp. 231, fig. 3.12
1840     Heliocrinites balticus m. — Eichwald , pp. 189-191
1840     Heliocrinites balticus m. — Eichwald , pp. 220-222
1845     Caryocystites balticus Eichw. — Verneuil , pp. 25, fig. I 9
1856     Heliocrinus balticus — Eichwald , pp. 124
1857     Heliocrinus balticus — Eichwald , pp. 70
1860     Heliocrinites balticus — Eichwald , pp. 630, fig. XXXII15
1860     Heliocrinus balticus m. — Eichwald , pp. 630, fig. 32:15a
1899     Caryocystites balticus Eichwald 1829 — Jaekel , pp. 329, fig. IX 3-5
Selection of related publications
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346.  Valgus. 
Hecker, R. F. 1923. Echinosphaeritidae of the Silurian of Russia.  Trav. Mus. Géol. Min. Pierre le Grand Acad. Sci. Russie   IV,   1,   1-63.
Eichwald, E. 1856. Beitrag zur geographischen Verbreitung der fossilen Thiere Russlands. Alte Periode. (Fortsetzung).  Bulletin of the Moscow Society of Naturalists. Geological series   29,   1,   88-127.
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Blastozoa | 
| Class | Rhombifera | 
| Superfamily | Caryocystitida | 
| Family | Caryocystitidae | 
| Genus | Heliocrinites | 
| Species | balticus | 
| guttaeformis | |
| laevis | |
| ovalis | |
| ovum | |
| prominens | |
| radiatus | |
| stellatus | 
References based on distribution
- Hecker, 1923 Volkhov River outcrops
- Rõõmusoks, 1970a Uhaku Stage
- Rõõmusoks, 1970a Humala Uhaku Stage
- Rõõmusoks, 1970a Lasnamäe quarry Uhaku Stage
- Rõõmusoks, 1970a Kostivere karst field Uhaku Stage
- Rõõmusoks, 1970a Kiviõli trench Uhaku Stage
- Rõõmusoks, 1970a Uhaku Stage
- Rõõmusoks, 1970a Purtse-Kõrgekalda river bank Uhaku Stage
- Rõõmusoks, 1970a Uhaku Uhaku Stage
- Eichwald, 1856a Tallinn