Order
Tryblidiida Lemche, 1957
List of species
1. Pilina acuminatum Koken et Perner, 1925) | Porkuni Stage
2. Pilina esthonum (Koken, 1897) | Porkuni Stage
3. Pilina ovoideum (Koken et Perner, 1925) | Porkuni Stage
4. Pilina unguis (Lindström, 1880) | Silurian
5. Tryblidium reticulatum Lindström, 1880 | Silurian
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Tergomya |
| Order | Archinacellida |
| Cyrtonellida | |
| Tryblidiida | |
| Superfamily | Tryblidioidea |
| Scenelloidea |
See also