Actinopterygii (/ ˌ æ k t ɪ n ɒ p t ə ˈ r ɪ dʒ i aɪ /; from Ancient Greek ἀκτίς (aktis) 'having rays' and πτέρυξ (ptérux) 'wing, fins'), members of which are known as ray-finned fish or …

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 …

Jan 9, 2025 · 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 …

Actinoptery­gians, or ‘ray-finned fishes,’ are the largest and most suc­cess­ful group of fishes and make up half of all liv­ing ver­te­brates.

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 …

Feb 15, 2018 · 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 …

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 …

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 …

Jan 1, 2022 · 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 …

In this article we will discuss about the general characters and classification of Actinopterygii. 1. Body of Actinopterygii is covered by ganoid, cycloid or cten­oid scales. In some cases scales …