†order Ptyctodontiformes (armour-plated fish)

Placodermi - Ptyctodontiformes

Parent taxon: Antiarchi according to R. van der Laan 2019

See also Grande and Eastman 1986, Long 2011 and Nelson et al. 2016

Sister taxa: Asterolepidiformes, Bothriolepidiformes, Liujiangolepidae, Macrodontophion, Macropetalichthyiformes, Minicranidae, Phymolepis, Pterichthyodid, Silurolepidae, Sinolepiformes, Xichonolepis, Yunnanolepidiformes, Zhanjilepis, Hyrcanaspis, Jiangxilepididae, Walterilepis, Yunnanolepidoidei, Bothriolepoidei

Subtaxa: Ptyctodontidae

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Ecology: nektonic carnivore

Distribution:

• Carboniferous of the United Kingdom (1 collection)

• Devonian of Australia (1), Belarus (2), Germany (2), Iran (1), Latvia (2), Poland (1), the Russian Federation (3), United States (9: Iowa, Michigan, Missouri)

Total: 22 collections including 26 occurrences

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