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heterodont

A Dictionary of Earth Sciences | 1999 | | Copyright

heterodont
1. (invertebrate) Applied to a hinge dentition occurring in the Bivalvia, where teeth of differing sizes occur in the hinge plate. The teeth are differentiated into cardinal teeth, which occur beneath the umbo, and lateral teeth, which occur posteriorly and anteriorly to the umbo.

2. (vertebrate) Possessing teeth that are differentiated into several forms, e.g. incisors, canines, premolars, and molars (as in mammals). This contrasts with the homodont condition, in which the teeth are all of the same form.

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AILSA ALLABY and MICHAEL ALLABY. "heterodont." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

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AILSA ALLABY and MICHAEL ALLABY. "heterodont." A Dictionary of Earth Sciences. 1999. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-heterodont.html

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heterodont

A Dictionary of Biology | 2004 | Copyright

heterodont Describing animals that possess teeth of more than one type (i.e. incisors, canine teeth, premolars, and molars), each with a particular function. Most mammals are heterodont. See permanent teeth. Compare homodont.

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"heterodont." A Dictionary of Biology. 2004. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O6-heterodont.html

"heterodont." A Dictionary of Biology. 2004. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-heterodont.html

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heterodont

A Dictionary of Zoology | 1999 | | Copyright

heterodont Possessing teeth that are differentiated into several forms, e.g. incisors, canines, premolars, molars.

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MICHAEL ALLABY. "heterodont." A Dictionary of Zoology. 1999. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "heterodont." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O8-heterodont.html

MICHAEL ALLABY. "heterodont." A Dictionary of Zoology. 1999. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-heterodont.html

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