Order
Alcyonidiida Jonston, 1839
Aiheeseen liittyvät julkaisut
Viskova, L. A., Ivantsov, A. Yu. 1999. The Earliest Uncalcified Bryozoan from the Ordovician in the Vicinity of Saint-Petersburg. Paleontologicheski Zhurnal 1, 25-28.
List of species
1. Syringothenia bystrowi Obut, 1953 | Kunda Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Bryozoa |
| Class | Gymnolaemata |
| Order | Alcyonidiida |
| Superfamily | Alcyonidiina |
| Order | Cheilostomata |
| Ctenostomata |