Species
Leptaena (Leptaena) rugosoides Oraspõld, 1956
Type specimen data
Synonymy list
1956     Leptaena rugosa (Hisinger) — Sokolskaya , pp. 56, fig. 3: 8
1956     Leptaena rugosoides Männil (in coll.) — Oraspõld , pp. 52(pars), fig. 2: 7, 9-11 (non fig. 8)
1969     Leptaena (Leptaena) rugosoides Männil (in coll.) — Alichova , pp. 57-58, fig. 9: 6-8
1997     Leptaena rugosoides Oraspõld, 1956 — Paskevisius , pp. 334
2004     Kurnamena rugosoides (Oraspõld, 1956) — Rõõmusoks , pp. 59, fig. 18: 11; 20: 4; 24: 9-12; 27: 4-6
Selection of related publications
Rõõmusoks, A. 2004. Ordovician strophomenoid brachiopods of northern Estonia.  Fossilia Baltica 3, pp. 1-151.   Tartu Ülikooli geoloogia Instituut. 
Oraspõld, A. L. 1956. New brachiopods from the Jõhvi, Keila and Vasalemma stages.  ENSV TA Geoloogia Instituudi Uurimused   I,      41-67.
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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 | 
References based on distribution
- Oraspõld, 1956 Rakvere Keila Stage
- Rõõmusoks, 2004 Sõmeru Keila Stage