Tabla I. Nuevos g??neros de briozoos ant??rticos descritos por Peter J. Hayward y coautores desde las colecciones, del Discovery y otros barcos brit??nicos, hechas durante la primera mitad del siglo XX. Table I. New Antarctic bryozoan genera described by Peter J. Hayward and co-authors from the collections made by the Discovery and other research vessels during the first half of the XX century.