Meaning of heterocercal

het•er•o•cer•cal

Pronunciation: (het"ur-u-sûr'kul), [key]
— adj. Ichthyol.
  1. having an unequally divided tail, characteristic of sharks, rays, and skates. Cf. diphycercal, homocercal.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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