Agnatha

Pycnosteidae Tarlo, 1962

Selection of related publications
Märss, T., Kleesment, A., Niit, M. 2008. Karksilepisparva 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. Proceedings of the Academy of Sciences of the Estonian SSR. Chemistry and Geology 17, 4, 409-424.
Obruchev, D., Mark-Kurik, E. 1968. On the evolution of the Psammosteids (Heterostraci). Proceedings of the Academy of Sciences of the Estonian SSR. Geology 17, 3, 279-284.
Mark-Kurik, E. J. 1966. On some injuries of psammosteid exoskeleton (Agnatha). The organism and environment in the geological past, pp. 55-60.
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.
Mark, E. J. 1956. On Genus Pycnosteus (Psammosteidae, Agnatha). ENSV TA Geoloogia Instituudi uurimused 1, 74-88.