Proposed use of the plenary powers to suppress the generic names Orthoceros Brünich, 1771 and Orthocera Modeer, 1789, so as to stabilize the generic name Orthoceras Bruguière, 1789 (Class Cephalopoda, order Nautiloidea) Z.N.(S). 44 - Melville, R. V. (Bulletin of Zoological Nomenclature, 1959)