Species
Lingulella exilis (Hall, 1860)
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Linguliformea |
| Class | Lingulata |
| Order | Lingulida |
| Superfamily | Linguloidea |
| Family | Obolidae |
| Subfamily | Obolinae |
| Genus | Lingulella |
| Species | alata |
| antiquissima | |
| chapa | |
| exilis | |
| nitida |