Family
Ephippelasmatidae Rowell, 1965
Aiheeseen liittyvät julkaisut
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.
List of species
2. Ephippelasma spinosum Biernat, 1973 | Volkhov Stage
5. Myotreta estoniana Biernat, 1972 | Lower Ordovician
7. Myotreta orensis Holmer, 1989 | Sandbian
8. Numericoma latior (Biernat, 1973) | Darriwilian
9. Numericoma ornata Popov, 1980 | Lower Ordovician
10. Numericoma perplexa Holmer, 1989 | Darriwilian
11. Numericoma simplex Holmer, 1989 | Darriwilian
12. Numericoma spinosa (Biernat, 1973) | Darriwilian
13. Pomeraniotreta biernati Bednarczyk, 1986 | Lower Ordovician
14. Rhinotreta davidi Holmer, 1989 | Sandbian
15. Rhinotreta laeta Popov, Nõlvak et Holmer, 1994 | Pirgu Stage
16. Rhinotreta muscularis Holmer, 1986 | Lower Ordovician
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Linguliformea |
| Class | Lingulata |
| Order | Acrotretida |
| Superfamily | Acrotretoidea |
| Family | Acrotretidae |
| Biernatidae | |
| Ceratretidae | |
| Eoconulidae | |
| Ephippelasmatidae | |
| Genus | Ephippelasma |
| Myotreta | |
| Numericoma | |
| Pomeraniotreta | |
| Rhinotreta | |
| Family | Scaphelasmatidae |
| Torynelasmatidae |