Radotina is an extinct genus of placoderm from the early Devonian of Europe.
References
Dinosaurs to Dodos: An Encyclopedia of Extinct Animals by Don Lessem and Jan Sovak
External links Scientists Trace the Origin of Our Teeth to Primitive Fish More Than 400 Million Years Back in Time. On: ScitechDaily. Source: European Synchrotron Radiation Facility. July 12, 2020 Valéria Vaškaninová, Donglei Chen, Paul Tafforeau, Zerina Johanson, Boris Ekrt, Henning Blom and Per Erik Ahlberg: “Marginal dentition and multiple dermal jawbones as the ancestral condition of jawed vertebrates”. In: Science. 10 July 2020. doi:10.1126/science.aaz9431