Species
Psammosteus falcatus Gross, 1942
Synonymy list
1896     Psammosteus sp. — Traquair , pp. 263, fig. 6:4,5
1933     Psammosteus meandrinus Agassiz — Gross , pp. 14, fig. 1:9
1942     Psammosteus grossi Obruchew — Gross , pp. 398, fig. 3A
1942     Psammosteus falcatus Obruchew — Gross , pp. 398, 408, 411, fig. 3B
1947     Psammosteus falcatus n. sp. — Gross , pp. 519, fig. 2d
1948     Psammosteus falcatus Obr. — Tihomirov , pp. 53
1950     Psammosteus grossi Obruchew — Gross , pp. 30,34
1950     Psammosteus megalopteryx (Trautschold) — Gross , pp. 31
1953     Psammosteus falcatus — Obruchev , pp. 300
1958     Psammosteus falcatus Obr. — Obruchev , pp. 49
Selection of related publications
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) Velna ala outcrop Frasnian