Amorphognathus Branson et Mehl, 1933

Selection of related publications
Paiste, T., Männik, P., Nõlvak, J., Meidla, T. 2020. The lower boundary of the Haljala Regional Stage (Sandbian, Upper Ordovician) in Estonia. Estonian Journal of Earth Sciences 69, 2, 76-90. DOI:10.3176/earth.2020.05
Männik, P. 2017. Conodont biostratigraphy of the Oandu Stage (Katian, Upper Ordovician) in NE Estonia. Estonian Journal of Earth Sciences 66, 1, 1-12. DOI:10.3176/earth.2017.02
Männik, P., Loydell, D. K., Nestor, V., Nõlvak, J. 2015. Integrated Upper Ordovician–lower Silurian biostratigraphy of the Grötlingbo-1 core section, Sweden. GFF 137, 3, 226-244. DOI:10.1080/11035897.2015.1042032
Ferretti, A., Bergström, S. M., Barnes, C. 2014. Katian (Upper Ordovician) conodonts from Wales. Palaeontology 57, 4, 801-831. DOI:10.1111/pala.12089
Männik, P., Viira, V. 2012. Ordovician conodont diversity in the northern Baltic. Estonian Journal of Earth Sciences 61, 1, 1-14. DOI:10.3176/earth.2012.1.01
Kaljo, D., Männik, P., Martma, T., Nõlvak, J. 2012. More about the Ordovician-Silurian transition beds at Mirny Creek, Omulev Mountains, NE Russia: carbon isotopes and conodonts. Estonian Journal of Earth Sciences 61, 4, 277-294. DOI:10.3176/earth.2012.4.07
Kaljo, D., Hints, L., Männik, P., Nõlvak, J. 2008. The succession of Hirnantian events based on data from Baltica: brachiopods, chitinozoans, conodonts, and carbon isotopes. Estonian Journal of Earth Sciences 57, 4, 197-218. DOI:10.3176/earth.2008.4.01
Viira, V., Aldridge, R. J., Curtis, S. 2006. Conodonts of the Kiviõli Member, Viivikonna Formation (Upper Ordovician) in the Kohtla section, Estonia. Proceedings of the Estonian Academy of Sciences. Geology 55, 3, 213-240.
Viira, V. 1967. Ordovician conodont succession in the Ohesaare core. Proceedings of the Academy of Sciences of the Estonian SSR. Chemistry and Geology 16, 4, 319-329.