Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of pterygia is as below...

Acanthopterygian :: Acanthopterygian (n.) A spiny-finned fish.

Chondropterygian :: Chondropterygian (a.) Having a cartilaginous skeleton.

Propterygia :: Propterygia (pl. ) of Propterygiu.

Malacopterygian :: Malacopterygian (n.) One of the Malacopterygii.

Ichthyopterygia :: Ichthyopterygia (n. pl.) See Ichthyosauria.

Sauropterygia :: Sauropterygia (n. pl.) Same as Plesiosauria.

Ichthyosauria :: Ichthyosauria (n. pl.) An extinct order of marine reptiles, including Ichthyosaurus and allied forms; -- called also Ichthyopterygia. They have not been found later than the Cretaceous period..

Chondropterygian :: Chondropterygian (n.) One of the Chondropterygii.

Crossopterygian :: Crossopterygian (n.) One of the Crossopterygii.

Pterygia :: Pterygia (pl. ) of Pterygiu.

Acanthopterygian :: Acanthopterygian (a.) Belonging to the order of fishes having spinose fins, as the perch..

Cheiropterygia :: Cheiropterygia (pl. ) of Cheiropterygiu.

Crossopterygian :: Crossopterygian (a.) Of or pertaining to the Crossopterygii.

Dipterygian :: Dipterygian (a.) Having two dorsal fins; -- said of certain fishes.

Plesiosauria :: Plesiosauria (n. pl.) An extinct order of Mesozoic marine reptiles including the genera Plesiosaurus, and allied forms; -- called also Sauropterygia..

Polypteroidei :: Polypteroidei (n. pl.) A suborder of existing ganoid fishes having numerous fins along the back. The bichir, or Polypterus, is the type. See Illust. under Crossopterygian..

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