Genus

Ptychodictyon Gross, 1973

Aiheeseen liittyvät julkaisut
Pinakhina, D. V., Märss, T. 2018. The Middle Devonian acanthodian assemblage of the Karksi outcrop in Estonia. Estonian Journal of Earth Sciences 67, 1, 96-111. 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. Juhendaja: E. Pirrus; kaasjuhendajad: A.-L. Kleesment, T. Märss]. bakalaureusetöö, pp. . Tallinna Tehnikaülikooli mäeinstituut.
Valiukevičius, J., Karatajūtė-Talimaa, V. 1986. Kompleks češuj akantodov iz osnovaniâ srednego devona Pribaltiki i Belorussii. Biofacies and fauna of the Silurian and Devonian basins of the Baltic, pp. 110-122. Zinatne.
Valiukevičius, J. J. 1985. Akantody narovskogo gorizonta Glavnogo devonskogo polâ. pp. 1-143. Mokslas.
List of species
1. Ptychodictyon ancestralis Valiukevičius, 1986 | Rezekne Stage→Pärnu Stage
3. Ptychodictyon rimosum Gross, 1973 | Narva Stage→Burtnieki Stage
4. Ptychodictyon sulcatum Gross, 1973 | Narva Stage→Burtnieki Stage
Luokittelu
Organism groupBiota
Incertae sedis (fossils)
OrderDiplacanthiformes
FamilyDiplacanthidae
GenusDiplacanthus
Ptychodictyon
Speciesancestralis
distinctum
rimosum
sulcatum
GenusRhadinacanthus