hypsignathus monstrosus

Webster's Dictionary (GCIDE)

1.(Zool.) A shark of the genus Sphyrna or Zyg[ae]na, having the eyes set on projections from the sides of the head, which gives it a hammer shape. The Sphyrna zyg[ae]na is found in the North Atlantic. Called also hammer fish, and balance fish. [1913 Webster]

2.(Zool.) A fresh-water fish; the stone-roller. [1913 Webster]

3.(Zool.) An African fruit bat (Hypsignathus monstrosus); -- so called from its large blunt nozzle. [1913 Webster]