Dupret, V., Goujet, D., & Mark-Kurik, E. (2007). A NEW GENUS OF PLACODERM (ARTHRODIRA: “ACTINOLEPIDA”) FROM THE LOWER DEVONIAN OF PODOLIA (UKRAINE). Journal of Vertebrate Paleontology, 27(2), 266–284. doi:https://dx.doi.org/10.1671/0272-4634(2007)27[266:ANGOPA]2.0.CO;2