From 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]