Subfamily
Actinocystinae Wedekind, 1927
Selection of related publications
Jeppsson, L., Calner, M., Eriksson, M. 2005. Locality descriptions.  Sveriges Geologiska Undersökning, Rapporter och Meddelanden   121,      22-47.
Fedorowski, J., Gorianov, V. B. 1973. Redescription of teracorals described by E. Eichwald in "Palaeontology of Russia".  Acta Palaeontologica Polonica   18,   1,   3-70.
Eichwald, E. 1861. Paleontologiâ Rossii. Drevnij period. II. Fauna grauvakkovoj, gornoizvestkovoj i medistoslancevatoj formacij Rossii. pp. 1-521.  R. Golike (former Ya. Ionsona). 
List of species
2. Spongophylloides perfecta (Wedekind, 1927) | upper Silurian
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Cnidaria | 
| Subphylum | Anthozoa | 
| Subclass | Rugosa | 
| Order | Stauriida | 
| Suborder | Ptenophyllina | 
| Family | Ptenophyllidae | 
| Subfamily | Actinocystinae | 
| Genus | Cymatelasma | 
| Dubrovia | |
| Spongophylloides | |
| Subfamily | Ptenophyllinae |