Genus
Zygospiraella Nikiforova, 1961
Aiheeseen liittyvät julkaisut
Baarli, B. G. 2021. Survival and recovery atrypid fauna following the terminal Ordovician extinction, the Atrypinae: central Oslo Region, Norway. Historical Biology 33, 3, 403-440. DOI:10.1080/08912963.2019.1620228
List of species
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Atrypida |
| Suborder | Atrypidina |
| Superfamily | Atrypoidea |
| Family | Atrypidae |
| Subfamily | Atrypinae |
| Genus | Askerina |
| Atrypa | |
| Eiratrypa | |
| Endea | |
| Gotatrypa | |
| Joviatrypa | |
| Nottina | |
| Oglupes | |
| Protatrypa | |
| Reticulatrypa | |
| Rhinatrypa | |
| Sifella | |
| Zygospiraella | |
| Species | duboisi |
| nupera |