Placodermes
Also known as Placoderm
Classe de poissons fossiles
AI overview
Placoderms were an extinct group of prehistoric fish that lived during the Silurian and Devonian periods, distinguished by their distinctive armor-plated heads and thoraxes covering mostly cartilaginous skeletons. They matter to our understanding of vertebrate evolution because they represent an early branch of fish that developed protective plating, a significant innovation in how ancient animals adapted to their environments.
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Article · Français
Placodermi Placodermi Vue d'artistes de différents placodermes. Classe † PlacodermiMc Coy, 1848 Ordres de rang inférieur * † * †Antiarchi * †Arthrodira * †Minjinia * † * † * † * †Ptyctodontida * †Rhenanida * † Les placodermes (Placodermi) forment une classe éteinte de poissons. Ils furent parmi les tout premiers vertébrés gnathostomes (possédant une mâchoire). Ils ont vécu du Silurien au Dévonien (entre −440 et −358 millions d'années).
Abstract from DBpedia / Wikipedia · CC BY-SA