
• (a.) Having the vertebral column evidently continued into the upper lobe of the tail, which is usually longer than the lower one, as in sharks.
Found on
http://thinkexist.com/dictionary/meaning/heterocercal/

a caudal fin where the upper lobe is large than the lower lobe.
Found on
http://www.encyclo.co.uk/local/20126

Said of the tail when the vertebrae curve upward into the upper lobe of the caudal fin.
Found on
http://www.encyclo.co.uk/local/21804

A term applied to the asymmetrical caudal fin of many primitive fishes (for example, paddlefishes and sturgeons), which is characterized by a larger upper lobe into which extend the last few vertebrae.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
Het`er·o·cer'cal adjective [
Hetero- + Greek ... tail.]
(Anat.) Having the vertebral column evidently continued into the upper lobe of the tail, which is usually longer than the lower one, as in sharks.
Found on
http://www.encyclo.co.uk/webster/H/39

Heterocercal is a term applied to ganoid and elasmobranchiate fishes, in which the vertebral column runs to a point in the upper lobe of the tail, as in the sharks and sturgeons, causing this lobe to be much larger than the other.
Found on
http://www.probertencyclopaedia.com/browse/BH.HTM

(Gk: heteros=other; circa round, all around) a tail fin with unequal upper and lower lobes. See homocercal
Found on
http://www.seafriends.org.nz/books/glossary.htm

[
adj] - (ichthyology) possessing a tail with the upper lobe larger than the lower and with the vertebral column prolonged into the upper lobe
Found on
http://www.webdictionary.co.uk/definition.php?query=heterocercal

A caudal fin with unequal sized lobes.
Found on
http://www.world-of-sharks.com/shark-glossary.html
adjective possessing a tail with the upper lobe larger than the lower and with the vertebral column prolonged into the upper lobe
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.