Genus
Eocryptaenia Koken et Perner, 1925
List of species
1. Eocryptaenia singularis Koken et Perner, 1925 | Porkuni Stage
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Luokittelu
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Gastropoda | 
| Subclass | Orthogastropoda | 
| Order | Murchisoniina | 
| Superfamily | Eotomarioidea | 
| Family | Eotomariidae | 
| Subfamily | Eotomariinae | 
| Liospirinae | |
| Genus | Eocryptaenia | 
| Species | singularis | 
| Spirotomaria | 
 See also