placodermian

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English

Etymology

Placodermi +‎ -an

Adjective

placodermian (not comparable)

  1. (zoology) Of, or relating to, prehistoric armoured fishes in the class Placodermi.
    • 1984, Nikita Alekseevich Bogdanov, Palaeontology: proceedings of the 27th International Geological Congress, Moscow 4-14 August 1984:
      Furtheron the ancient agnathian and the placodermian fishes disappeared.
    • 2008, Tom McCann, The Geology of Central Europe: Precambrian and palaeozoic:
      Many organisms were affected including conodonts, ammonoids, echinoderms, trilobites, ancient agnatian and placodermian fishes, continental plant communities, ostracodes, []
    • 2014, A. Gąsiewicz, M. Słowakiewicz, Palaeozoic Climate Cycles: Their Evolutionary and Sedimentological Impact:
      It mainly affected pelagic and hemipelagic organisms (e.g. conodonts, ammonoids, echinoderms, trilobites, ancient agnathan and placodermian fishes), []

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