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CROSSOPTERYGII [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-01-18

English

Subject field(s)
  • Paleontology
  • Fish
Universal entry(ies)
Crossopterygii
Latin
DEF

Any member of the subclass crossopterygii, a group of lobbed-fine, bony fishes believed to have given rise to the amphibians and all other land vertebrates. The only living representative is the coelacanth.

French

Domaine(s)
  • Paléontologie
  • Poissons
Entrée(s) universelle(s)
Crossopterygii
Latin
DEF

Poisson ostéichthyen, au corps recouvert d'écailles cosmoïdes épaisses, pourvu de nageoires paires pédiculisées, d'une caudale hétérocerque ou géphyrocerque, à corde dorsale persistante.

Spanish

Save record 1

Record 2 2016-01-18

English

Subject field(s)
  • Fish
  • Paleontology
Universal entry(ies)
Osteolepidae
Latin
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.

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.

French

Domaine(s)
  • Poissons
  • Paléontologie
Entrée(s) universelle(s)
Osteolepidae
Latin
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 [...]

Spanish

Save record 2

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