Species
Leptaena (Septomena) cryptoides (Oraspõld, 1956)
Type specimen data
Synonymy list
1956     Leptaena cryptoides sp. nov. — Oraspõld , pp. 54, fig. 12-14
1969     Leptaena (Kiaeromena) cryptoides Männil (in coll.) — Alichova , pp. 59-60, fig. 10: 1-5
2004     Septomena cryptoides (Oraspõld, 1956) — Rõõmusoks , pp. 51, fig. 21: 1-13; 20: 8
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 | (Septomena) | 
| Species | alliku | 
| crypta | |
| cryptoides | |
| juvenilis | |
| senecta | 
References based on distribution
- Oraspõld, 1956 Pääsküla Keila Stage
- Rõõmusoks, 2004 Rakvere Keila Stage