Agnatha

Tartuosteus Obruchev, 1961

Selection of related publications
Märss, T., Kleesment, A., Niit, M. 2008. Karksilepis parva gen. et sp. nov. (Chondrichthyes) from the Burtnieki Regional Stage, Middle Devonian of Estonia. Estonian Journal of Earth Sciences 57, 4, 219-230. DOI:10.3176/earth.2008.4.02
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.
Obruchev, D. V., Mark-Kurik, E. J. (eds) 1965. Devonian psammosteids (Agnatha, Psammosteidae) of the USSR.
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.
References based on distribution