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]