Genus
Iru Öpik, 1934
Selection of related publications
Öpik, A. 1934. Über Klitamboniten.  Acta et Commentationes Universitatis Tartuensis   XXVI,   5,   1-239.  K. Mattiesen. 
List of species
1. Iru concava (Pahlen, 1877) | Kunda Stage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Strophomenata | 
| Order | Billingsellida | 
| Suborder | Clitambonitidina | 
| Superfamily | Clitambonitoidea | 
| Family | Clitambonitidae | 
| Genus | Apomatella | 
| Atelelasma | |
| Clinambon | |
| Clitambonites | |
| Hemipronites | |
| Ilmarinia | |
| Iru | |
| Species | concava | 
| Genus | Lacunarites | 
| Pahlenella | |
| Palaeoneumania | |
| Vellamo | 
 See also