Arca (Arca) thomasi Ladd, 1934 † represented as Arca thomasi Ladd, 1934 † (original description)
Cancellaria tholoensis Ladd, 1934 † (original description)
Cardium rewaense Ladd, 1934 † accepted as Microfragum rewaense (Ladd, 1934) † (original description)
Coralliophaga laseona Ladd, 1934 † (original description)
Dallina vitilevensis Ladd, 1934 † (original description)
Diacria mbaensis Ladd, 1934 † (original description)
Glycymeris (Glycymeris) fijiensis Ladd, 1934 † represented as Glycymeris fijiensis Ladd, 1934 † (original description)
Irus mamaricus Ladd, 1934 † (original description)
Lima (Lima) kavorica Ladd, 1934 † represented as Lima kavorica Ladd, 1934 † (original description)
Monilea (Monilea) mateana Ladd, 1934 † accepted as Monilea mateana Ladd, 1934 † (original description)
Oliva makawana Ladd, 1934 (original description)
Oliva woolnoughi Ladd, 1934 † (original description)
Phos vitiensis Ladd, 1934 † (original description)
Semicassis (Semicassis) vavakuana Ladd, 1934 † accepted as Phalium areola (Linnaeus, 1758) (original description)
Tridacna mbalavuana Ladd, 1934 (original description)
Trivia koroensis Ladd, 1934 † (original description)
Turbo (Turbo) petholatus thanus Ladd, 1934 † represented as Turbo petholatus thanus Ladd, 1934 † (original description)