Genus
Zygatrypa Copper, 1977
Aiheeseen liittyvät julkaisut
Copper, P. 2004. Silurian (Late Llandovery-Ludlow) Atrypid Brachiopods from Gotland, Sweden, and Welsh Borderlands, Great Britain. pp. 1-219. DOI:10.1139/9780660190112
Rubel, M. 1977. Revision of Silurian Dayiacea (Brach.) from the North-East Baltic. Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология 26, 3, 211-220. DOI:10.3176/chem.geol.1977.3.08
List of species
1. Zygatrypa exigua (Lindström, 1861) | Wenlock
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Atrypida |
| Suborder | Anazygidina |
| Superfamily | Anazygoidea |
| Family | Anazygidae |
| Subfamily | Anazyginae |
| Genus | Anazyga |
| Zygatrypa | |
| Species | exigua |
| paupera | |
| Genus | Zygospira |