Ptychodictyon Gross, 1973

Selection of related publications
Pinakhina, D.V., Märss, T. 2018. The Middle Devonian acanthodian assemblage of the Karksi outcrop in Estonia. Estonian Journal of Earth Sciences 67, 1, 96. DOI:10.3176/earth.2018.07
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
Niit, M. 2004. Applicability of microfossils of the Burtnieki Stage in stratigraphy. bakalaureusetöö, pp. .
Valiukevičius, J. & Karatajūtė-Talimaa, V. 1986. Complex scales acanthodii from the base of the Middle Devonian Baltic States and Belarus. Biofacies and fauna of the Silurian and Devonian basins of the Baltic. Ed: Brangulis, A., pp. 110-122.
Valiukevičius, J. J. 1985. Acanthodians from the Narva Regional Stage of the Main Devonian Field.