Class
Agnatha incertae sedis
Selection of related publications
Märss, T. 1986. Silurian Vertebrates of Estonia and West Latvia. Fossilia Baltica 1. Fossilia Baltica 1, 1-104. Valgus.
List of species
1. Tylodus deltoides Rohon, 1893 | Ohesaare Stage
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Superclass | Agnatha |
| Class | incertae sedis |
| Genus | Tylodus |
| Class | Cephalaspidomorphi |
| Pteraspidomorphi |