Heterondontidae

Heterondontidae

[‚hed·ə·rän′dänt·ə‚dē]
(vertebrate zoology)
The Port Jackson sharks, a family of aberrant modern elasmobranchs in the suborder Heterodontoidea.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.