Species
Leptaena (Leptaena) acuta (Rõõmusoks, 2004)
Type specimen data
holotype: TUG TUG 1003-150, Soonurme, Ida-Virumaa (Soonurme ) , Idavere Substage (Idavere Substage; Sandbian) 
Synonymy list
2004     Kurnamena acuta sp. nov. — Rõõmusoks , pp. 57-58, fig. pl. 24: 6-12
 Loading... 
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Strophomenata | 
| Order | Strophomenida | 
| Superfamily | Strophomenoidea | 
| Family | Rafinesquinidae | 
| Subfamily | Leptaeninae | 
| Genus | Leptaena | 
| Subgenus | (Leptaena) | 
| Species | bergstroemi | 
| acuta | |
| acuteplicata | |
| altera | |
| crassorugata | |
| depressa | |
| ennessbe | |
| fluviatilis | |
| friedrichi | |
| haverfordensis | |
| inaequalis | |
| indigena | |
| ingrica | |
| laterorugata | |
| palmrei | |
| paucirugata | |
| pertenuis | |
| planitia | |
| purpurea | |
| rhomboidalis | |
| rugosa | |
| rugosoides | |
| sperion | |
| spumifera | |
| tarwanpensis | |
| taxilla | |
| undosa |