Agnatha
Family

Pycnosteidae Tarlo, 1962

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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. 2000. The Middle Devonian fishes of the Baltic States (Estonia, Latvia) and Belarus. Courier Forschungsinstitut Senckenberg 223, 309-324.
Novitskaya, L. I. 1971. Diagnostic evaluation of ornamentation in Agnatha and Pisces. Paleontologicheski Zhurnal 4, 82-96.
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
Preobrazhensky, B. V. 1967. The significance of the zonal phenomena in Tabulate coral skeleton. Paleontologicheski Zhurnal 3, 3-8.
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.
Mark, E. J. 1956. On Genus Pycnosteus (Psammosteidae, Agnatha). ENSV TA Geoloogia Instituudi uurimused I, 74-88.
Gross, W. 1933. Die Fische des baltischen Devons. Palaeontographica 79, 1-2, 1-74. E. Schweizerbart.
List of species
2. Ganosteus stellatus Rohon, 1901 | Burtnieki StageGauja Stage
3. Pycnolepis splendens (Eichwald, 1844) | Pärnu StageNarva Stage
5. Pycnosteus pauli Mark, 1956 | Aruküla Stage