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Tetrapoodid

Allikas: Vikipeedia

Tetrapoodid
Fossiilide leiud: hilis-devon – tänaseni
Tähniksalamander (Salamandra salamandra)

Tähniksalamander (Salamandra salamandra)
Taksonoomia
Riik Loomad Animalia
Hõimkond Keelikloomad Chordata
Alamhõimkond Selgroogsed Vertebrata
Ülemklass Tetrapoodid Tetrapoda
Broili, 1913
Klaadid

Kahepaiksed Amphibia
Amniota

Tetrapoodid (Tetrapoda) on selgroogsete ülemklass, kuhu kuuluvad nelja jäsemega loomad. Kahepaiksed, roomajad (kaasa arvatud jalutud maod), dinosaurused, linnud ja imetajad on kõik tetrapoodid. Kõige varajasemad tetrapoodid olid Devoni ajastu keskel elanud õhku hingavad kahepaiksed. Nende eellased olid sagaruimsed kalad (Sarcopterygii).[1]

Vaata ka

Viited

  1. Narkiewicz, Katarzyna; Narkiewicz, Marek. "The age of the oldest tetrapod tracks from Zachełmie, Poland". Lethaia. 48 (1): 10–12. DOI:10.1111/let.12083. ISSN 0024-1164.
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Tetrapoodid
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