horn shark

== English == === Alternative forms === hornshark === Noun === horn shark (plural horn sharks) Any shark of the family Heterodontidae. Heterodontus francisci, a bullhead shark endemic to the coastal waters off the western coast of North America. === References === horn shark on Wikipedia.Wikipedia Heterodontus francisci on Wikispecies.Wikispecies Category:Heterodontus francisci on Wikimedia Commons.Wikimedia Commons