Species
Leptaena (Leptaena) altera Rybnikova, 1966
Type specimen data
LDM? (Riga) 30/58 , ( Ezere core, depth 1081.3 m ) ( Ludlow )
Synonymy list
1966 Leptaena altera sp. nov. — Rybnikova , pp. 78 , fig. pl. 1: 4-6
1967 Leptagonia altera (Rybnikova, 1966) — Rybnikova , pp. 193 , fig. pl. 18: 4-6
2004 Leptaena altera Rybnikova, 1966 — Musteikis et Cocks , fig. figs 4H-O
2011 Leptaena (Leptaena) altera Rybnikova, 1966 — Rubel , pp. 19-20 , fig. pl. 2: 1-9
Selection of related publications
Rubel, M. 2011. Silurian brachiopods Dictyonellida, Strophomenida, Productida, Orthotetida, Protorthida and Orthida from Estonia.Fossilia Baltica 4 , pp. 1-133. Tartu Ülikooli geoloogia instituut.
Rybnikova, M. V. 1966. Brachiopods Strophomenida of the Upper Silurian deposits of Latvia.Palaeontology and stratigraphy of the Baltic and the Byelorussia. Number I , pp. 75-95. Mintis.
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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 | |
| tarwanpesis | |
| taxilla | |
| undosa |
References based on distribution
- Rubel, 2011 Kalvarija borehole 732.8 - 832.6 Jaani Stage
- Rubel, 2011 Ohesaare borehole 271.12 - 312.57 Jaani Stage
- Rybnikova, 1966 Ezere 9 borehole 1081.3 - 1081.3 Ludlow
- Rybnikova, 1966 Akniste borehole 556 - 562 Ludlow