Genus
Amorphognathus Branson et Mehl, 1933
Selection of related publications
Paiste, T., Männik, P., Meidla, T. 2023. Emended Sandbian (Ordovician) conodont biostratigraphy in Baltoscandia and a new species of Amorphognathus. Geological Magazine 160, 3, 411-427. DOI:10.1017/S0016756822001005
Paiste, T., Männik, P., Meidla, T. 2022. Sandbian (Late Ordovician) conodonts in Estonia: distribution and biostratigraphy. GFF 1-15. DOI:10.1080/11035897.2021.2020333
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. Estonian Academy Publishers. 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. DOI:10.3176/geol.2006.3.02
Viira, V. 1967. Ordovician conodont succession in the Ohesaare core. Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология 16, 4, 319-329. DOI:10.3176/chem.geol.1967.4.06
List of species
1. Amorphognathus complicatus Rhodes, 1953 | Rakvere Stage
2. Amorphognathus duftonus Rhodes, 1955 | Katian
3. Amorphognathus inaequalis Rhodes, 1953 | Kukruse Stage
6. Amorphognathus tvaerensis Bergström, 1962 | Kukruse Stage
7. Amorphognathus ventilatus Ferretti et Barnes, 1997 | Oandu Stage
8. Amorphognathus viirae Paiste, Männik et Meidla, 2022 | Sandbian
Loading...
Classification
References based on distribution
- Männik & Viira, 2012 Kukruse Stage
- Männik & Viira, 2012 Kukruse Stage
- Männik & Viira, 2012 Rakvere Stage
- Männik & Viira, 2012 Oandu Stage
- Männik & Viira, 2012 Nabala Stage
- Paiste et al., 2023 Mehikoorma 421 borehole 314.9 - 315 Haljala Stage