Batoidea
Batoidea Older name for the group or order of fish comprising the rays and skates (Rajiformes).
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Actinopterygians , Holostei Group of marine and fresh water bony fish including many fossil species, e.g. Lepidotes (Triassic—Cretaceous), and Dapedius (Jurassic). Holo… Salmoniformes , Salmoniformes (subclass Actinopterygii, superorder Protacanthopterygii) An order of bony fish that have a single dorsal fin which, like the pelvic fi… Heterocercal Tail , Skip to main content
heterocercal tail
heterocercal tail In fish, a tail in which the tip of the vertebral column turns upward, extending into the do… Ray , ray1 / rā/ • n. 1. each of the lines in which light (and heat) may seem to stream from the sun or any luminous body, or pass through a small opening:… Gamma Rays , gamma rays Fin , fin / fin/ • n. a flattened appendage on various parts of the body of many aquatic vertebrates and some invertebrates, including fish and cetaceans,…
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Batoidea