Species
Leptaena (Leptaena) fluviatilis Oraspõld, 1956
Type specimen data
Synonymy list
1956     Leptaena fluviatilis Männil (in coll.) — Oraspõld , pp. 54-55, fig. 1: 18, 19
1976     Leptaena fluviatilis Oraspõld — Tsegelnjuk , pp. 70-71, fig. 9: 5-7
1989     Oandumena fluviatilis (Oraspõld, 1956) — Rõõmusoks , pp. 116, fig. 3: 7-8
2004     Oandumena fluviatilis (Oraspõld, 1956) — Rõõmusoks , pp. 62-63, fig. 28: 6-11
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 Oandu Keila Stage
- Rõõmusoks, 2004 Rakvere Oandu Stage