Family
Uncinulidae Rzhonsnitskaya, 1965
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Rhynchonellida |
| Superfamily | Uncinuloidea |
| Family | Eatoniidae |
| Hebetoechiidae | |
| Uncinulidae | |
| Genus | Eucharitina |
| Uncinulus |