Family
Leptellinidae Ulrich et Cooper, 1936
Aiheeseen liittyvät julkaisut
Öpik, A. 1930. Brachiopoda Protremata der estländischen ordovizischen Kukruse-Stufe.  Tartu Ülikooli Geoloogia Instituudi Toimetused   20,      1-261.
Bekker, H. 1921. The Kuckers stage of the Ordovician Rocks in NE Estonia.  Acta et Commentationes Universitatis Tartuensis   II,   1,   1-92.
List of species
1. Leptelloidea leptelloides (Bekker, 1921) | Kukruse Stage
2. Palaeostrophomena concava (Schmidt, 1858) | Uhaku Stage
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Luokittelu
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Strophomenata | 
| Order | Strophomenida | 
| Superfamily | Plectambonitoidea | 
| Family | Alwynellidae | 
| Bimuriidae | |
| Grorudiidae | |
| Hesperomenidae | |
| Leptellinidae | |
| Subfamily | Leptellininae | 
| Palaeostrophomeninae | |
| Family | Leptestiidae | 
| Plectambonitidae | |
| Sowerbyellidae | |
| Taffiidae | |
| Xenambonitidae | |
| Species | Uko ornata | 
 See also