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

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

Acanthopterygii :: Acanthopterygii (n. pl.) An order of fishes having some of the rays of the dorsal, ventral, and anal fins unarticulated and spinelike, as the perch..

Acanthopterygious :: Acanthopterygious (a.) Having fins in which the rays are hard and spinelike; spiny-finned.

Apteryges :: Apteryges (n. pl.) An order of birds, including the genus Apteryx..

Archipterygium :: Archipterygium (n.) The primitive form of fin, like that of Ceratodus..

Basipterygium :: Basipterygium (n.) A bar of cartilage at the base of the embryonic fins of some fishes. It develops into the metapterygium.

Basipterygoid :: Basipterygoid (a. & n.) Applied to a protuberance of the base of the sphenoid bone.

Cheiropterygia :: Cheiropterygia (pl. ) of Cheiropterygiu.

Cheiropterygium :: Cheiropterygium (n.) The typical pentadactyloid limb of the higher vertebrates.

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

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

Chondropterygii :: Chondropterygii (n. pl.) A group of fishes, characterized by cartilaginous fins and skeleton. It includes both ganoids (sturgeons, etc.) and selachians (sharks), but is now often restricted to the latter..

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

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

Crossopterygii :: Crossopterygii (n. pl.) An order of ganoid fishes including among living species the bichir (Polypterus). See Brachioganoidei.

Dermopterygii :: Dermopterygii (n. pl.) A group of fishlike animals including the Marsipobranchiata and Leptocardia.

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

Epipterygoid :: Epipterygoid (a.) Situated upon or above the pterygoid bone.

Epipterygoid :: Epipterygoid (n.) An epipterygoid bone or cartilage; the columella in the skulls of many lizards.

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

Ichthyopterygium :: Ichthyopterygium (n.) The typical limb, or lateral fin, of fishes..

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

Malacopterygii :: Malacopterygii (n. pl.) An order of fishes in which the fin rays, except the anterior ray of the pectoral and dorsal fins, are closely jointed, and not spiny. It includes the carp, pike, salmon, shad, etc. Called also Malacopteri..

Malacopterygious :: Malacopterygious (a.) Belonging to the Malacopterygii.

Mesopterygium :: Mesopterygium (n.) The middle one of the three principal basal cartilages in the fins of fishes.

Metapterygium :: Metapterygium (n.) The posterior of the three principal basal cartilages in the fins of fishes.

Osteopterygious :: Osteopterygious (a.) Having bones in the fins, as certain fishes..

Palatopterygoid :: Palatopterygoid (a.) Pertaining to the palatine and pterygoid region of the skull; as, the palatopterygoid cartilage, or rod, from which the palatine and pterygoid bones are developed..

Propterygia :: Propterygia (pl. ) of Propterygiu.

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