Species
Psammosteus livonicus Obruchev, 1965
Synonymy list
1965     Psammosteus livonicus Obruchev, n. sp. — Obruchev & Mark-Kurik , pp. 238, fig. 94:1-2
1968     Psammosteus livonicus — Vorobyeva & Lyarskaya , pp. 72
2000     Psammosteus livonicus Obr. — Mark-Kurik , pp. 317
2001     Psammosteus livonicus Obruchev, 1965 — Lukševičs , pp. 498
2004     Psammosteus livonicus Obruchev, 1965 — Novitskaya , pp. 191
2016     Psammosteus livonicus Obruchev, 1965 — Glinskiy & Mark-Kurik , pp. 5
Selection of related publications
Glinskiy, V., Mark-Kurik, E. 2016. Revision of Psammosteus livonicus Obruchev (Agnatha, Heterostraci) from the Devonian Amata Regional Stage of the NW of the East European Platform.  Estonian Journal of Earth Sciences   65,   1,   1-18. DOI:10.3176/earth.2016.02
Mark-Kurik, E. 2000. The Middle Devonian fishes of the Baltic States (Estonia, Latvia) and Belarus.  Courier Forschungsinstitut Senckenberg    223,      309-324.
Mark-Kurik, E. 1968. New finds of psammosteids (Heterostraci) in the Devonian of Estonia and Latvia.  Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология   17,   4,   409-424. DOI:10.3176/chem.geol.1968.4.11
Obruchev, D. V., Mark-Kurik, E. J. (eds) 1965. Devonian psammosteids (Agnatha, Psammosteidae) of the USSR. pp. 1-304.  Eesti NSV TA Geoloogia Instituut. 
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Chordata | 
| Subphylum | Vertebrata | 
| Superclass | Agnatha | 
| Class | Pteraspidomorphi | 
| Subclass | Heterostraci | 
| Order | Pteraspidiformes | 
| Suborder | Psammosteida | 
| Family | Psammosteidae | 
| Subfamily | Psammosteinae | 
| Genus | Psammosteus | 
| Species | asper | 
| bergi | |
| bystrowi | |
| cuneatus | |
| falcatus | |
| kiaeri | |
| levis | |
| livonicus | |
| maeandrinus | |
| megalopteryx | |
| praecursor | |
| tchernovi | |
| tenuis | |
| waltergrossi | 
References based on distribution
- Obruchev & Mark-Kurik, 1965 (eds) Pasta Muiža outcrop, Daugava River Amata Stage
- Mark-Kurik, 2000a Amata Stage