sugukond
Ephippelasmatidae Rowell, 1965
Valik taksonit käsitlevast teaduskirjandusest
Popov, L., Holmer, L. E. 1994. Cambrian-Ordovician lingulate brachiopods from Scandinavia, Kazakhstan, and South Ural Mountains.  Fossils and Strata   35,      1-156. DOI:10.1111/j.1502-3931.1994.tb01571.x
Popov L., Nõlvak J., Holmer, L. 1994. Late Ordovician lingulate brachiopods from Estonia.  Palaeontology   37,   3,   627-650.
Holmer, L. E. 1989. Middle Ordovician phosphatic inarticulate brachiopods from Västergötland and Dalarna, Sweden.  Fossils and Strata   26,      1-172.
Bednarczyk, W. 1986. Inarticulate brachiopods from the Lower Ordovician in northern Poland.  Annales Societatis Geologorum Poloniae   56,   3-4,   409 - 418.
Biernat, G. 1973. Ordovician Inarticulate Brachiopods from Poland and Estonia.  Palaeontologia Polonica   28,      1-116.
Gorjansky, V. J. 1969. Bezzamkovye brahiopody kembrijskih i ordovikskih otloženij severo-zapada Russkoj platformy. pp. 1-176.  Nedra. 
Leitud liigid
2. Ephippelasma spinosum Biernat, 1973 | Volhovi lade
5. Myotreta estoniana Biernat, 1972 | Alam-Ordoviitsium
7. Myotreta orensis Holmer, 1989 | Sandby lade
8. Numericoma latior (Biernat, 1973) | Darriwili lade
9. Numericoma ornata Popov, 1980 | Alam-Ordoviitsium
10. Numericoma perplexa Holmer, 1989 | Darriwili lade
11. Numericoma simplex Holmer, 1989 | Darriwili lade
12. Numericoma spinosa (Biernat, 1973) | Darriwili lade
13. Pomeraniotreta biernati Bednarczyk, 1986 | Alam-Ordoviitsium
14. Rhinotreta davidi Holmer, 1989 | Sandby lade
15. Rhinotreta laeta Popov, Nõlvak et Holmer, 1994 | Pirgu lade
16. Rhinotreta muscularis Holmer, 1986 | Alam-Ordoviitsium
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Klassifikatsioon
| organismirühm | Biota | 
| riik | Animalia | 
| hõimkond | Brachiopoda | 
| alamhõimkond | Linguliformea | 
| klass | Lingulata | 
| selts | Acrotretida | 
| ülemsugukond | Acrotretoidea | 
| sugukond | Acrotretidae | 
| Biernatidae | |
| Ceratretidae | |
| Eoconulidae | |
| Ephippelasmatidae | |
| perekond | Ephippelasma | 
| Myotreta | |
| Numericoma | |
| Pomeraniotreta | |
| Rhinotreta | |
| sugukond | Scaphelasmatidae | 
| Torynelasmatidae |