Species
Tetragonocrinus pygmaeus (Eichwald, 1860)
Synonymy list
1861     Goniaster pygmaeus — Eichwald , pp. 188
1964     Tetragonocrinus pygmaeus (Eichwald), 1860 — Yeltyschewa , pp. 65, fig. I 8-14; IV 18,19
1986     Tetragonocrinus pygmaeus (Eichwald), 1860 — Hynda , pp. 77
1988     Tetragonocrinus pygmaeus (Eichwald 1960) — Stukalina , fig. 1:1-5
1988     Tetragonocrinus pygmaeus (Eichwald, 1860) — Stukalina , fig. I 1-5
1988     Tetragonocrinus pygmaeus (Eichwald, 1860) — Rozhnov , pp. 75, fig. VI 1-10
1990     Tetragonocrinus pygmaeus (Eichwald) — Donovan , pp. 294
2000     Tetragonocrinus pygmaeus Eichwald, 1860) — Stukalina , pp. 55, fig. I 6-9
Selection of related publications
Rozhnov, S. V. 1988. Morfologiâ i sistematičeskoe položenie nižneordovikskih morskih lilij.  Paleontologicheski Zhurnal   1988,   2,   67-79.
Yeltyscheva, R. S. (Yeltyschewa, R. S.) 1964. Stebli ordovikskih morskih lilij Pribaltiki (nižnij ordovik).  Voprosy paleontologii   IV,      59-82.  Izdatel'stvo Leningradskogo Universiteta. 
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Pelmatozoa | 
| Class | Crinoidea | 
| Superclass | Pentacrinoidea | 
| Infraclass | Inadunata | 
| Parvclass | Disparida | 
| Order | Tetragonocrinidae | 
| Genus | Tetragonocrinus | 
| Species | pygmaeus | 
References based on distribution
- Yeltyscheva, 1964 Isvos, Leningrad Oblast Volkhov Stage
- Yeltyscheva, 1964 Popovka River, Leningrad Oblast Volkhov Stage
- Rozhnov, 1988a Babino quarry Leningrad district Volkhov Stage
- Rozhnov, 1988a [Duplicate record of 12327] Putilovo Quarry Volkhov Stage
- Rozhnov, 1988a Lynna river, Leningrad Oblast Volkhov Stage
- Rozhnov, 1988a Volkhov River outcrops Volkhov Stage
- Rozhnov, 1988a Lava River, Leningrad Oblast Volkhov Stage
- Rozhnov, 1988a Lower Ordovician