Family
Hesperomenidae Cooper, 1956
Selection of related publications
Cocks, L. R. M. 2005. Strophomenate Brachiopods from the late Ordovician Boda Limestone of Sweden: their systematics and implications for palaeogeography.  Journal of Systematic Palaeontology   30,   3,   243-282. DOI:10.1017/S1477201905001616
Andreev, D. A. 1993. New Ordovician Plectambonitacean brachiopods from Tuva and Leningrad oblast.  Paleontologicheski Zhurnal      2,   50-55.
Rõõmusoks, A. 1963. Strophomenoidea des Ordoviziums und Silurs von Estlands II. Neue Gattungen aus der Harju-Serie.  Proc. of the Academy of Sciences of the Estonian SSR. Ser. Biol.   12,   3,   231-241.
List of species
1. Anoptambonites pirguensis Rõõmusoks, 1963 | Pirgu Stage
3. Onegia vitera Andreev, 1993 | Volkhov Stage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Strophomenata | 
| Order | Strophomenida | 
| Superfamily | Plectambonitoidea | 
| Family | Alwynellidae | 
| Bimuriidae | |
| Grorudiidae | |
| Hesperomenidae | |
| Genus | Anoptambonites | 
| Onegia | |
| Family | Leptellinidae | 
| Leptestiidae | |
| Plectambonitidae | |
| Sowerbyellidae | |
| Taffiidae | |
| Xenambonitidae | |
| Species | Uko ornata |