The classification of ray-finned fishes can be summarized as follows: Cladistia, which include bichirs and reedfish Actinopteri, which include: Chondrostei, which include Acipenseriformes (paddlefishes and sturgeons) Neopterygii, which... Chondrostei, which include Acipenseriformes (paddlefishes and ... See more Actinopterygii , members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs … See more In nearly all ray-finned fish, the sexes are separate, and in most species the females spawn eggs that are fertilized externally, typically with the … See more • Media related to Actinopterygii at Wikimedia Commons • Data related to Actinopterygii at Wikispecies See more Ray-finned fishes occur in many variant forms. The main features of typical ray-finned fish are shown in the adjacent diagram. The swim bladder is a more derived structure than the lung. Ray-finned fishes have many different types of scales; but all See more Actinopterygii is divided into the classes Cladistia and Actinopteri. The latter comprises the subclasses Chondrostei and Neopterygii. … See more WebAug 1, 2024 · Thus the radiation of convergent ray fin fish was established in the Silurian, not the late Cretaceous. Hughes et al. nest the bichir, Polypterus , as the basalmost ray fin …
Class Actinopterygii Facts and Examples - ThoughtCo
WebDec 5, 2024 · The lobe-finned fish are characterized by fleshy lobed fins, as opposed to the bony fins of the ray-finned fish. What are the characteristics of bony or ray-finned fish? Most bony fish are ray-finned.They are characterized by: A head and pectoral girdles (arches supporting the forelimbs) that are covered with bones derived from the skin. WebRay-finned fishes are notable for having flexible fins that allow for the control of fluid forces. A number of studies have addressed the muscular control, kinematics, and … chillicothe ross ohio
Spiny and soft-rayed fin domains in acanthomorph fish are ... - PNAS
WebMar 5, 2024 · Ray-Finned Fish. Ray-finned fish include the majority of living fish species, including goldfish, tuna, salmon, perch, and cod. They have a bony endoskeleton and a … WebActinopterygii, members of which are known as ray-finned fishes, is a class or subclass of the bony fishes. The ray-finned fishes are so called because they possess lepidotrichia or "fin rays", their fins being webs of skin … WebJul 15, 2024 · There are as many as 600 species of Rays in the world. Depending on their body shape and behavior, each of these fish belongs to one of the 24 Ray families. All Rays are flat, with large pectoral fins fused to their heads. The fins, eyes, and tail are all on their dorsal (upper) side, with the mouth and gill slits on the ventral (lower) side. chillicothe rv