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cosmoid scale

cosmoid scale Type of scale found only in fossil lung-fish (Dipnoi), and in Crossopterygii, including the living coelacanth. The thick scales are composed of layers of vitrodentine (harder than dentine and containing little organic matter), followed by cosmine (a type of dentine perforated by branching canals), and finally by layers of vascular and laminated bone underneath.

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"cosmoid scale." A Dictionary of Earth Sciences. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"cosmoid scale." A Dictionary of Earth Sciences. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/cosmoid-scale

"cosmoid scale." A Dictionary of Earth Sciences. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/cosmoid-scale

cosmoid scale

cosmoid scale A type of scale found only in fossil lungfish (Dipneusti), and in Crossopterygii, including the living coelacanth. The thick scales are composed of layers of vitrodentine, followed by cosmine, and finally by layers of vascular and laminated bone underneath.

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"cosmoid scale." A Dictionary of Zoology. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"cosmoid scale." A Dictionary of Zoology. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/cosmoid-scale-0

"cosmoid scale." A Dictionary of Zoology. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/cosmoid-scale-0

cosmoid scale

cosmoid scale See scales.

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"cosmoid scale." A Dictionary of Biology. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"cosmoid scale." A Dictionary of Biology. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/cosmoid-scale-1

"cosmoid scale." A Dictionary of Biology. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/cosmoid-scale-1