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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...
- Slender-spined Porcupine Fish
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- Acanthopterygii
Acanthopterygii (meaning "spiny finned one") is a superorder...
- Teleostei
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.
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.
Neopterygii. See text for orders. 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 ...
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 ...
Feb 15, 2018 · Learn about the diversity, classification, and conservation of ray-finned fishes, a group of over 20,000 species of fish with spines in their fins. Find out how they feed, reproduce, and interact with humans.
