‖n. [ NL., fr. Gr. kefalh` head + &unr_; a shield. ] (Paleon.) A genus of fossil ganoid fishes found in the old red sandstone or Devonian formation. The head is large, and protected by a broad shield-shaped helmet prolonged behind into two lateral points. [ 1913 Webster ]
‖n. [ NL., fr. Gr. kefalh` head + &unr_; a shield. ] (Paleon.) A genus of fossil ganoid fishes found in the old red sandstone or Devonian formation. The head is large, and protected by a broad shield-shaped helmet prolonged behind into two lateral points. [ 1913 Webster ]