Class
Chondrichthyes Huxley, 1880
Selection of related publications
Lebedev, O. A., Ivanov, A. O., Linkevich, V. V. 2020. Chondrichthyan spines from the Famennian (Upper Devonian) of Russia. Acta Geologica Polonica 70, 3, 339–362. DOI:10.24425/agp.2020.132255
Ivanov, A. O., Plax, D. P. 2018. Chondrichthyans from the Devonian–Early Carboniferous of Belarus. Estonian Journal of Earth Sciences 67, 1, 43-58. DOI:10.3176/earth.2018.03
Ivanov, A., Märss, T. 2014. New data on Karksiodus (Chondrichthyes) from the Main Devonian Field (East European Platform). Estonian Journal of Earth Sciences 63, 3, 156-165. DOI:10.3176/earth.2014.14
Ivanov, A., Märss, T., Kleesment, A. 2011. A new elasmobranch Karksiodus mirus gen. et sp. nov. from the Burtnieki Regional Stage, Middle Devonian of Estonia. Estonian Journal of Earth Sciences 60, 1, 22-30. DOI:10.3176/earth.2011.1.02
Lebedev, O. A., Lukševičs, E., Zakharenko, G. V. 2010. Palaeozoogeographical connections of the Devonian vertebrate communities of the Baltica Province. Part II. Late Devonian. Palaeoworld 19, 1-2, 108-128. Elsevier BV. DOI:10.1016/j.palwor.2009.12.003
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
Märss, T. 2006. Exoskeletal ultrasculpture of early vertebrates. Journal of Vertebrate Paleontology 26, 2, 235-252. DOI:10.1671/0272-4634(2006)26[235:EUOEV]2.0.CO;2
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.
Märss, T., Wilson, M. V. H., Thorsteinsson, R. 2002. New thelodont (Agnatha) and possible chondrichthyan (Gnathostomata) taxa established in the Silurian and Lower Devonian of the Canadian Arctic Archipelago. Proceedings of the Estonian Academy of Sciences. Geology 51, 2, 88-120. DOI:10.3176/geol.2002.2.02
Märss, T., Gagnier, P.-Y. 2001. A new chondrichthyan from the Wenlock, Lower Silurian, of Baillie-Hamilton Island, the Canadian Arctic. Journal of Vertebrate Paleontology 21, 4, 693-701. DOI:10.1671/0272-4634(2001)021[0693:ANCFTW]2.0.CO;2
Karatajūtė-Talimaa, V. N., Märss, T. 1997. Thelodonts from the Silurian and Lower Devonian of Severnaya Zemlya Archipelago, Russian Arctic. Ichthyolith Issues, Special Publication 3, 13-14.
Märss, T. 1997. Vertebrates of the Pridoli and Silurian-Devonian boundary beds in Europe. Modern Geology 21, 1, 17-41.
List of species
1. Karksilepis parva Märss, Kleesment et Niit, 2008 | Burtnieki Stage
2. Karksiodus mirus Ivanov et Märss, 2011 | Burtnieki Stage
7. Tamiobatis elgae Ivanov, 2018 | Tournaisian
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Organism group | Gnathostomata |
| Superclass | Osteichthyes |
| Tetrapoda | |
| Class | Acanthodii |
| Chondrichthyes | |
| Subclass | Elasmobranchii |
| Order | Acanthodei |
| Holocephali | |
| Polymerolepidiformes | |
| Family | Kannathalepididae |
| Palaeospondylidae | |
| Wellingtonellidae | |
| Genus | Karksilepis |
| Class | Placodermi |
| Genus | Janusiscus |