The Collaborative International Dictionary of English v.0.48:

Shovelnose \Shov"el*nose`\, n. (Zool.)
   (a) The common sand shark. See under Snad.
   (b) A small California shark (Heptranchias maculatus),
       which is taken for its oil.
   (c) A Pacific Ocean shark (Hexanchus corinus).
   (d) A ganoid fish of the Sturgeon family (Scaphirhynchus
       platyrhynchus) of the Mississippi and Ohio rivers; --
       called also white sturgeon.
       [1913 Webster]