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  1. 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.

    • Teleostei

      Teleostei (/ ˌ t ɛ l i ˈ ɒ s t i aɪ /; Greek teleios...

  2. Actinopterygii, is a major taxonomic class (or subclass) of fish, known as the "ray-finned fishes," whose diverse number of species includes about half of all known living vertebrates and 96 percent of all fish species. The actinopterygians include the most familiar fish, such as sturgeons, gars, eels, carp, herrings, anchovies, catfishes ...

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  4. 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.

  5. This brilliant, spiny, and poisonous lionfish is just one of the world's 20,000 living species of actinopterygians. The name means "ray-finned," for unlike the Chondrichthyes, the fins of the Actinopterygii are webs of skin supported by bony or horny spines. Most actinopterygians have complex skeletons of true bone (sturgeons and paddlefishes ...

  6. en.wikipedia.org › wiki › ActinopteriActinopteri - Wikipedia

    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. In other words all extant ray-finned fish minus the bichirs.

  7. 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 Car­bonif­er­ous pe­riod ...

  8. Actinopterygii. Actinopterygii are ray-finned fish (actin=radius, ptero=wing), which make up the vast majority of fish known today, both at sea and in continental waters. From: Biology and Physiology of Freshwater Neotropical Fish, 2020

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