TERMIUM Plus^®

Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 OBS

Extinct fish of the Devonian Period belonging to the subelass "Crossopterygii" and therefore closely related to the ancestors of land vertebrates. They had a well ossified skull including a ring of bones around each orbit ... The body was covered with cosmoid scales. The paired fins were of the "archipterygian" type and the tail was slightly heterocercal.  1, fiche 1, Anglais, - osteolepis

Record number: 1, Textual support number: 2 OBS

Order of early Crossopterygian fish. Osteolepids occur in Old Red Sandstone and Carboniferous rocks. They are thought to be the ancestral origins of the terrestrial vertebrates.  2, fiche 1, Anglais, - osteolepis

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 OBS

Ils présentent des narines internes ou «choanes» faisant communiquer les orifices nasaux avec la bouche comme chez les vertébrés à respiration pulmonaire. La disposition des os de la tête rappelle à la fois celle de «Palaeoniscus» et celle des Amphibiens Stégocéphales les plus primitifs [...]  1, fiche 1, Français, - osteolepis

Fiche 1,  Justifications,  Espagnol