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Actinopterygii or ray-finned fishes, constitute a class or subclass of bony fishes.

The ray-finned fishes are so called because they possess lepidotrichia or "fin rays", their fins being webs of skin supported by bony or horny spines ("rays"), as opposed to the fleshy, lobed fins that characterize the class Sarcopterygii which also, however, possess lepidotrichia. These actinopterygian fin rays attach directly to the proximal or basal skeletal elements, the radials, which represent the link or connection between these fins and the internal skeleton (e.g., pelvic and pectoral girdles).

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Wikipedia has a more detailed and comprehensive article on Ray-finned Fish

Pages in category "Ray-finned Fish"

The following 5 pages are in this category, out of 5 total.

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