Actinopterygii - Wikipedia
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 [2] that comprise over 50% of living vertebrate species. [3]
Fish - Actinopterygii, Ray-Finned, Aquatic | Britannica
2024年9月29日 · 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.
ADW: Actinopterygii: INFORMATION
Actinopterygians, or ‘ray-finned fishes,’ are the largest and most successful group of fishes and make up half of all living vertebrates.
Actinopterygii - an overview | ScienceDirect Topics
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
Actinopterygii - Animalia
Actinopterygii (; 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.
Class Actinopterygii Facts and Examples - ThoughtCo
2018年2月15日 · The group of ray-finned fishes (Class Actinopterygii) encompasses over 20,000 species of fish that have 'rays,' or spines, in their fins. This separates them from the lobe-finned fishes (Class Sarcopterygii, e.g., the l ungfish and coelacanth), which have fleshy fins.
Actinopterygii | fish taxon | Britannica
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.
Actinopterygii - New World Encyclopedia
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.
Phanerozoic survivors: Actinopterygian evolution through the …
2018年1月9日 · Actinopterygians (ray-finned fishes) successfully passed through four of the big five mass extinction events of the Phanerozoic, but the effects of these crises on the group are poorly understood.
Actinopterygii (Bony Fish) - SpringerLink
2022年1月1日 · Actinopterygii is the most diverse group of Chordata, with about 470 families and more than 33,500 extant species. The most ancient fossils known of the group are scales from the Late Silurian.