Subgenus
Leptaena (Ygdrasilomena) Cocks, 2005
Aiheeseen liittyvät julkaisut
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
List of species
1. Leptaena (Ygdrasilomena) roomusoksi Cocks, 2005 | Upper Ordovician
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Strophomenata |
| Order | Strophomenida |
| Superfamily | Strophomenoidea |
| Family | Rafinesquinidae |
| Subfamily | Leptaeninae |
| Genus | Leptaena |
| Subgenus | (Leptaena) |
| (Septomena) | |
| (Ygdrasilomena) | |
| Species | roomusoksi |
| bohemica | |
| candata | |
| parvirugata | |
| venzavensis | |
| wesenbergensis |