Species
Ptychodictyon sulcatum Gross, 1973
Synonymy list
1985 Ptychodictyon sulcatum Gross, 1973 — Valiukevičius , pp. 29 , fig. IV17-19
1998 Ptychodictyon sulcatum Gross — Valiukevičius , pp. 7
2002 Ptychodictyon sulcatum — Valiukevičius , pp. 36
2008 Ptychodictyon sulcatum — Märss et al. , pp. 221
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, 96-111. 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. J. 1985. Akantody narovskogo gorizonta Glavnogo devonskogo polâ. pp. 1-143. Mokslas.
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Organism group | Gnathostomata |
| Class | Acanthodii |
| Order | Diplacanthiformes |
| Family | Diplacanthidae |
| Genus | Ptychodictyon |
| Species | ancestralis |
| distinctum | |
| rimosum | |
| sulcatum |
References based on distribution
- Valiukevičius, 1985 Luutsniku 451 borehole 316.4 - 316.4 Narva Stage
- Märss et al., 2008 Karksi outcrop Burtnieki Stage