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Cryptodonta

Cryptodonta (phylum Mollusca, class Bivalvia) A subclass of bivalves most of which have thin, equivalve shells composed of aragonite. They have an amphidetic to opisthodetic external ligament. The hinge plate is narrow or absent, with most forms having an edentulous hinge margin; some members are taxodont. They have an infaunal mode of life. They first appeared in the Ordovician.

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"Cryptodonta." A Dictionary of Zoology. . Encyclopedia.com. 21 Oct. 2017 <http://www.encyclopedia.com>.

"Cryptodonta." A Dictionary of Zoology. . Encyclopedia.com. (October 21, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/cryptodonta-0

"Cryptodonta." A Dictionary of Zoology. . Retrieved October 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/cryptodonta-0

Cryptodonta

Cryptodonta (phylum Mollusca, class Bivalvia) Subclass of bivalves most of which have thin, equivalve shells composed of aragonite. They have an amphidetic to opisthodetic external ligament. The hinge plate is narrow or absent, with most forms having a toothless hinge margin; some members are taxodont. They have an infaunal mode of life. They first appeared in the Ordovician.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
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"Cryptodonta." A Dictionary of Earth Sciences. . Encyclopedia.com. 21 Oct. 2017 <http://www.encyclopedia.com>.

"Cryptodonta." A Dictionary of Earth Sciences. . Encyclopedia.com. (October 21, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/cryptodonta

"Cryptodonta." A Dictionary of Earth Sciences. . Retrieved October 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/cryptodonta