perekond
Myotreta Gorjansky, 1969
Valik taksonit käsitlevast teaduskirjandusest
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
3. Myotreta estoniana Biernat, 1972 | Alam-Ordoviitsium
5. Myotreta orensis Holmer, 1989 | Sandby lade
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Klassifikatsioon
| organismirühm | Biota | 
| riik | Animalia | 
| hõimkond | Brachiopoda | 
| alamhõimkond | Linguliformea | 
| klass | Lingulata | 
| selts | Acrotretida | 
| ülemsugukond | Acrotretoidea | 
| sugukond | Ephippelasmatidae | 
| perekond | Ephippelasma | 
| Myotreta | |
| liik | crassa | 
| dalecarlica | |
| estoniana | |
| goryansky | |
| orensis | |
| perekond | Numericoma | 
| Pomeraniotreta | |
| Rhinotreta |