Resultado de búsqueda
Los actinopterigios (Actinopterygii, del griego ακτινος aktinοs, «radial» y πτερυγιον pterygion, «ala») son una clase de peces óseos (Osteichthyes). Son el grupo dominante de los vertebrados , con más de 27 000 especies actuales, y han desarrollado estrategias adaptativas que les han permitido colonizar toda clase de ...
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.
Los actinopterigios (Actinopterygii, del griego ακτινος aktinοs, «radial» y πτερυγιον pterygion, «ala») son una clase de peces óseos (Osteichthyes). Son el grupo dominante de los vertebrados , con más de 27 000 especies actuales, y han desarrollado estrategias adaptativas que les han permitido colonizar toda clase de ...
Clase Actinopterygii. Peces con aletas radiadas Escamas ganoideas, cicloides o ctenoides (escamas ausentes en muchos grupos); espiráculo generalmente ausente; radiales pectorales (actinostos) unidos al complejo escapulocoracoideo, excepto en Polypteriformes; interopérculo y radios branquioestegales generalmente presentes; placa gular ...
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.
Actinopterygians are the largest class of vertebrates. There are nearly 25,000 species. They can be found in both fresh water and marine environments from the deep sea to the highest mountain streams. Most of the living species are teleosts, which are late-comers to the fish domain.
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.
