Family
Psammolepididae Tarlo, 1962
Selection of related publications
Lukševics, E., Lebedev, O., Mark-Kurik, E., Karatajūtė-Talimaa, V. 2009. The earliest evidence of host-parasite interactions in vertebrates.  Acta Zoologica   90,   Suppl. 1,   335-343. DOI:10.1111/j.1463-6395.2008.00362.x
Upeniece, I. 2001. The unique fossil assemblage from the Lode Quarry (Upper Devonian, Latvia).  Mitteilungen aus dem Museum für Naturkunde der Humboldt-Universität in Berlin      4,   101-119. DOI:10.5194/fr-4-101-2001
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
Mark-Kurik, E. J. 1966. O nekotoryh povreždeniâh èkzoskeleta psammosteid (Agnatha) [О некоторых повреждениях экзоскелета псаммостеид (Agnatha)].  The organism and environment in the geological past, pp. 55-60.   Nauka. 
Halstead Tarlo, L. B. H. 1965. Psammosteiformes (Agnatha) - A review with descriptions of new material from  the Lower Devonian of Poland. 2. Systematic part.  Palaeontologia Polonica   15,      1-168.
Obruchev, D. V., Mark-Kurik, E. J. (eds) 1965. Devonian psammosteids (Agnatha, Psammosteidae) of the USSR. pp. 1-304.  Eesti NSV TA Geoloogia Instituut. 
List of species
1. Psammolepis abavica Mark-Kurik, 1965 | Burtnieki Stage
2. Psammolepis aerata Halstead Tarlo, 1965 | Amata Stage
3. Psammolepis heteraster (Gross, 1930) | Gauja Stage
4. Psammolepis paradoxa (Agassiz, 1844) | Gauja Stage
5. Psammolepis toriensis (Mark-Kurik, 1965) | Pärnu Stage
6. Psammolepis venyukovi Obruchev, 1965 | Gauja Stage
7. Vladimirolepis proia (Mark-Kurik, 1965) | Aruküla Stage
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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 | Drepanaspididae | 
| Guerichosteidae | |
| Obrucheviidae | |
| Psammolepididae | |
| Genus | Psammolepis | 
| Family | Psammosteidae | 
| Pycnosteidae |