placodermian
English edit
Etymology edit
Placodermi + -an
Adjective edit
placodermian (not comparable)
- (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), […]