Zoology: General

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involute

A Dictionary of Earth Sciences | 1999 | | Copyright

involute Having edges that roll under or inwards. Applied to those coiled cephalopods (Cephalopoda) where the final whorl of the shell envelops earlier ones. The opposite of involute is evolute, where all the previous whorls are exposed. The term ‘serpenticone’ is sometimes applied to those evolute cephalopods where the shell resembles a coiled snake. Very laterally compressed shells (discus-shaped) are called ‘oxycones’; very flat and inflated types are called ‘cadicones’; those which are subspherical are called ‘sphaericones’.

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AILSA ALLABY and MICHAEL ALLABY. "involute." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "involute." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O13-involute.html

AILSA ALLABY and MICHAEL ALLABY. "involute." A Dictionary of Earth Sciences. 1999. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-involute.html

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involute

A Dictionary of Zoology | 1999 | | Copyright

involute Having edges that roll under or inwards. Applied, for example, to coiled cephalopods (Cephalopoda) in which the final whorl envelops earlier ones.

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MICHAEL ALLABY. "involute." A Dictionary of Zoology. 1999. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

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

MICHAEL ALLABY. "involute." A Dictionary of Zoology. 1999. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-involute.html

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involute

A Dictionary of Plant Sciences | 1998 | | Copyright

involute Rolled inward, e.g. of a leaf. Compare EVOLUTE.

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MICHAEL ALLABY. "involute." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "involute." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O7-involute.html

MICHAEL ALLABY. "involute." A Dictionary of Plant Sciences. 1998. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-involute.html

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