Species
Pragnellia arborescens Leith, 1952
Synonymy list
1965     Pragnellia cf. arborescens Leith — Kaljo & Klaamann , pp. 430
1981     Pragnellia arborescens — Hill , pp. F625
Selection of related publications
Kaljo, D., Klaamann, E. 1965. The fauna of the Portrane limestone, III. The Corals.  Bulletin of the British Museum (Natural History) Geology   10,   11,   413-434.
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Cnidaria | 
| Subphylum | Anthozoa | 
| Subclass | Tabulata | 
| Superorder | Heliolitoidea | 
| Suborder | Heliolitina | 
| Superfamily | Coccoseridicae | 
| Genus | Pragnellia | 
| Species | arborescens | 
References based on distribution
- Kaljo & Klaamann, 1965 Pirgu Stage