Heterocercy definitions

Heterocercy

• (n.) Unequal development of the tail lobes of fishes; the possession of a heterocercal tail.
Found on http://thinkexist.com/dictionary/meaning/heterocercy/

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Heterocercy

Het'er·o·cer`cy noun [ Hetero- + Greek ... a tail.] (Anat.) Unequal development of the tail lobes of fishes; the possession of a heterocercal tail.
Found on http://www.encyclo.co.uk/webster/H/39

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