Family
Trochonematidae Zittel, 1895
List of species
1. Globonema piersalense (Koken, 1897) | Pirgu Stage
2. Trochonema minus Koken, 1897 | Porkuni Stage
3. Trochonema panderi Koken, 1896 | Porkuni Stage
4. Trochonema peraltum Koken, 1897 | Porkuni Stage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Gastropoda | 
| Subclass | Orthogastropoda | 
| Order | Murchisoniina | 
| Superfamily | Trochonematoidea | 
| Family | Lophospiridae | 
| Trochonematidae | |
| Genus | Globonema | 
| Trochonema | 
 See also