Family
Delthyrididae Phillips, 1841
Selection of related publications
Bassett, M. G., Cocks, L. R. M. 1974. A review of Silurian brachiopods from Gotland.  Fossils and Strata   3,      1-56.
List of species
3. Howellella (Howellella) angulata Rubel, 1970 | Kuressaare Stage
5. Howellella (Howellella) cuniculi Rubel, 1970 | Rootsiküla Stage
6. Howellella (Howellella) elegans (Muir-Wood, 1925) | Paadla Stage
7. Howellella (Howellella) nucula (Barrande, 1879) | Jaani Stage
8. Howellella bragensis (Wenjukow, 1899) | Ludlow
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Rhynchonellata | 
| Order | Spiriferida | 
| Suborder | Delthyridina | 
| Superfamily | Delthyrioidea | 
| Family | Cyrtinopsidae | 
| Delthyrididae | |
| Subfamily | Delthyridinae | 
| Howellellinae | |
| Family | Hysterolitidae | 
| Mucrospiriferidae | |
| Genus | Boucotinskia | 
 See also