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Actinopterygii. Os Actinopterygii ou actinopterígeos (do grego aktis, raio + pteryx, nadadeira; asa) são uma classe de peixes com nadadeiras suportadas por "raios" ou lepidotríquias, esqueleto interno tipicamente calcificado e aberturas branquiais protegidas por um opérculo ósseo.
- Osteichthyes – Wikipédia, a enciclopédia livre
Actinopterygii - os restantes grupos de peixes, também...
- Actinopteri – Wikipédia, a enciclopédia livre
Actinopteri. Actinopteri é o grupo irmão de Cladistia na...
- Osteichthyes – Wikipédia, a enciclopédia livre
Actinopterygii (/ ˌ æ k t ɪ n ɒ p t ə ˈ r ɪ dʒ i aɪ /; from actino- 'having rays', and Ancient Greek πτέρυξ (ptérux) 'wing, fins'), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species.
Fish portal. Actinopteri / æktɪˈnɒptəraɪ / is the sister group of Cladistia ( bichirs) in the class Actinopterygii (ray-finned fish). Dating back to the Permian period, the Actinopteri comprise the Chondrostei ( sturgeons and paddlefish ), the Holostei ( bowfins and gars ), and the teleosts.
De Wikipedia, a enciclopédia livre. Os Actinopterygii ou actinopterígeos (do grego aktis, raio + pteryx, nadadeira; asa) são uma classe de peixes com nadadeiras suportadas por "raios" ou lepidotríquias, esqueleto interno tipicamente calcificado e aberturas branquiais protegidas por um opérculo ósseo.
Diversity. Actinopterygians, or ‘ray-finned fishes,’ are the largest and most successful group of fishes and make up half of all living vertebrates. While actinopterygians appeared in the fossil record during the Devonian period, between 400-350 million years ago (Ma), it was not until the Carbonifer ...
Actinopterygii: ray-finned fishes. The Actinopterygii, or ray-finned fishes, are the largest class of fishes. In existence for about 400 million years, since the Early Devonian, it consists of some 42 orders containing more than 480 families, at least 80 of which are known only from fossils.
