Species
Sowerbyella (Sowerbyella) semiluna Öpik, 1930
Type specimen data
Synonymy list
1930     Sowerbyella semiluna — Öpik , pp. 155-157, fig. pl. 9: 123-126,text-figs 19-20
1989     Sowerbyella (Sowerbyella) semiluna Öpik, 1930 — Cocks & Rong , pp. 141
Selection of related publications
Öpik, A. 1930. Brachiopoda Protremata der estländischen ordovizischen Kukruse-Stufe.  Tartu Ülikooli Geoloogia Instituudi Toimetused   20,      1-261.
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Strophomenata | 
| Order | Strophomenida | 
| Superfamily | Plectambonitoidea | 
| Family | Sowerbyellidae | 
| Subfamily | Sowerbyellinae | 
| Genus | Sowerbyella | 
| Subgenus | (Sowerbyella) | 
| Species | eha | 
| forumi | |
| liliifera | |
| limata | |
| minima | |
| oepiki | |
| orvikui | |
| patula | |
| plana | |
| raegaverensis | |
| semiluna | |
| tenera | |
| trivia | |
| uhakuana | |
| undosa | 
References based on distribution
- Öpik, 1930a Kohtla Kukruse Stage