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

2. Ptychodictyon distinctum Valiukevičius, 1979 | Narva Stage

3. Ptychodictyon rimosum Gross, 1973 | Narva Stage→Burtnieki Stage

4. Ptychodictyon sulcatum Gross, 1973 | Narva Stage→Burtnieki Stage

Luokittelu

Organism group	Biota
	Incertae sedis (fossils)
Order	Diplacanthiformes
Family	Diplacanthidae
Genus	Diplacanthus
	Ptychodictyon
Species	ancestralis
	distinctum
	rimosum
	sulcatum
Genus	Rhadinacanthus