Family
Ptyctodontidae Woodward, 1891
Selection of related publications
Ivanov, A. 2022. New ptyctodontid placoderm from the Famennian (Upper Devonian) of European Russia.  Biological Communications   67,   4,   247–252. DOI:10.21638/spbu03.2022.401
Trinajstic, K., Long, J. A., Ivanov, A. O., Mark-Kurik, E. 2019. A new genus of ptyctodont (Placodermi) from the Late Devonian of Baltic area.  Palaeontologia Electronica   22,   2,   1-19. DOI:10.26879/890
Mark-Kurik, E., Põldvere, A. 2012. Devonian stratigraphy in Estonia: current state and problems.  Estonian Journal of Earth Sciences   61,   1,   33-47. DOI:10.3176/earth.2012.1.03
Ivanov, A., Zhuravlev, A., Stinkulis, G., Evdokimova, I., Dronov, A., Sokiran, E., Shishlov, S., Broushkin, A., Myshkina, N. 2005. Devonian sections of north-west of East European Platform.  6th Baltic Stratigraphical Conference, IGCP 503 Meeting, August 23-25, 2005. Cambrian and Ordovician of St. Petersburg region. Guidebook of the pre-conference field trip, pp. 1-66.   St. Petersburg State University, VSEGEI. 
Mark-Kurik, E., Ivanov, A., Obrucheva, O. 1991. The endoskeleton of shoulder girdle in ptyctodonts (Placodermi).  Proceedings of the Estonian Academy of Sciences. Geology   40,   4,   160-164. DOI:10.3176/geol.1991.4.04
Mark-Kurik, E. 1977. Stroenie plečevogo poâsa rannih ptiktodontov [Строение плечевого пояса ранних птиктодонтов].  Očerki po filogenii i sistematike ryb i besčelûstnyh, pp. 61-70.   Наука. 
List of species
1. Meeksiella pskovensis (Obruchev, 1947) | Snetnaya Gora Substage
2. Neruchella eichwaldi Ivanov, 2022 | Famennian
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Chordata | 
| Subphylum | Vertebrata | 
| Infraphylum | Gnathostomata | 
| Class | Placodermi | 
| Order | Ptyctodontida | 
| Family | Ptyctodontidae | 
| Genus | Chelyophorus | 
| Ctenurella | |
| Kimbryanodus | |
| Meeksiella | |
| Neruchella | |
| Ptyctodus | |
| Rhamphodopsis | |
| Rhynchodus | |
| Tollodus |