Species
Echinosphaerites aurantium (Gyllenhaal, 1772)
Synonymy list
1772     Echinus aurantium — Gyllenhaal , pp. 245
1825     Leucophthalmus strangwaysi  — Koenig , fig. 1:1
1837     Sphaeronites citrus — Hisinger , pp. 91
1840     Sphaeronites aurantium — Buch , fig. 1:14? 17
1860     Echinosphaerites aurantium Wahl. — Eichwald , pp. 625-626
1861     Echinosphaerites aurantium Wahl. — Eichwald , pp. 178
1921     Echinosphaerites aurantium  — Wahlenberg , pp. 52
1923     Echinosphaerites aurantium Gyll. sp. 1772 — Hecker , pp. 14
Selection of related publications
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346.  Valgus. 
Regnéll, G. 1945. Non-Crinoid Pelmatozoa from the Paleozoic of Sweden. A taxonomic study.  Meddelanden från Lunds Geologisk-Mineralogiska Institution   108,      1-255.  Carl Bloms Boktryckeri. 
Hecker, R. F. 1923. Echinosphaeritidae of the Silurian of Russia.  Trav. Mus. Géol. Min. Pierre le Grand Acad. Sci. Russie   IV,   1,   1-63.
Bekker, H. 1921. The Kuckers stage of the Ordovician Rocks in NE Estonia.  Acta et Commentationes Universitatis Tartuensis   II,   1,   1-92.
Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie. Premier volume. Ancienne Période en deux sections. pp. XIX+1–1657.  E. Schweizerbart.  DOI:10.5962/bhl.title.52391
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Blastozoa | 
| Class | Rhombifera | 
| Superfamily | Caryocystitida | 
| Family | Echinosphaeritidae | 
| Genus | Echinosphaerites | 
| Species | aurantium | 
| Subspecies | aurantium | 
| infrum | |
| suecicus | |
| suprum | |
| Species | difformis | 
| ellipticus | |
| globosus | |
| grandis | |
| pirum | |
| pogrebovi | 
References based on distribution
- Bekker, 1921a Lasnamäe quarry Kukruse Stage
- Bekker, 1921a Kohtla-Järve Kukruse Stage
- Eichwald, 1860a [Duplicate record of 16374] Pulkovo