Species
Phobetractinia polymorpha Reif, 1968
Synonymy list
1968     Phobetractinia polymorpha — Reif , fig. Abb. 2 1-14
2005     Phobetractinia polymorpha Reif, 1968 — Rhebergen , pp. 215, fig. 6A,D
Selection of related publications
Rhebergen, F. 2005. Sponges (Porifera) from Silurian strata on Gotland, Sweden.  GFF   127,   3,   211-216. DOI:10.1080/11035890501273211
Reif, W.-E. 1968. Schwammreste aus dem oberen Ordovizium von Estland und Schweden.  Neues Jahrbuch für Geologie und Paläontologie Monatshefte   12,      733-744.
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Porifera | 
| Class | Calcarea | 
| Family | Polyactinellidae | 
| Genus | Phobetractinia | 
| Species | polymorpha | 
References based on distribution
- Rhebergen, 2005 Lau Backar, Gotland Ludlow
 - Reif, 1968 Porkuni Porkuni Stage