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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.
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Teleostei (/ ˌ t ɛ l i ˈ ɒ s t i aɪ /; Greek teleios...
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<p><b>Actinopterygii</b> (; from <i> actino-</i> 'having rays', and Ancient Greek <i> </i>πτέρυξ<i> (ptérux)</i> 'wing, fins'), members of which are known as <b>ray-finned fish</b> or <b>actinopterygians</b>, is a class of bony fish that comprise over 50% of living vertebrate species.
Actinopteri. 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.
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 ...
The Actinopterygii is the class of ray-finned fishes. The ray-finned fishes get their name from the fact their fins are webs of skin held by bony or horny spines ("rays"). This is different from the fleshy fins of the fish in the Sarcopterygii .
Mar 24, 2024 · Translingual [ edit] Etymology [ edit] New Latin, actino- (“having rays”) + Ancient Greek πτέρυξ (ptérux, “wing, fins”) . Proper noun [ edit] Actinopterygii. The ray - finned fishes. A taxonomic class within the superclass Osteichthyes. A taxonomic superclass within the infraphylum Gnathostomata. [1] Synonyms [ edit]
Actinopterygii. : Life History and Ecology. While everyone knows that fish live in water and breathe through gills, the simile "like a fish out of water" does not always apply to ray-finned fish. A few, like the walking catfish and the mudskipper, are able to crawl about on land, to find food or new habitats. Some others, like the Siamese ...
