Serratifusus excelensSerratifusus excelens is a species of sea snail, a marine gastropod mollusc in the family Austrosiphonidae.EtymologyNamed after the Latin expression excelens, meaning "high, exalted, lofty".DescriptionThe length of the shell attains 36.4 mm.DistributionThis marine species occurs off New Caledonia.