Genus
Cyrtonotreta Holmer, 1989
Aiheeseen liittyvät julkaisut
Holmer, L. E. 1989. Middle Ordovician phosphatic inarticulate brachiopods from Västergötland and Dalarna, Sweden. Fossils and Strata 26, 1-172.
List of species
1. Cyrtonotreta striata Holmer, 1989 | Uhaku Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Linguliformea |
| Class | Lingulata |
| Order | Acrotretida |
| Superfamily | Acrotretoidea |
| Family | Acrotretidae |
| Genus | Acrotreta |
| Angulotreta | |
| Conotreta | |
| Cyrtonotreta | |
| Species | striata |
| vestrogothica | |
| Genus | Dactylotreta |
| Ditreta | |
| Eschatelasma | |
| Eurytreta | |
| Hisingerella | |
| Linnarssonia | |
| Longipegma | |
| Neotreta | |
| Ottenbyella | |
| Physotreta | |
| Quadrisonia | |
| Semitreta | |
| Spondylotreta | |
| Treptotreta | |
| Vandalotreta |