Mancinella herbertiMancinella herberti is a species of sea snail, a marine gastropod mollusk, in the family Muricidae, the murex snails or rock snails.This species is not extinct. This species lives in Kwa-Zulu, South Africa.DescriptionThe length of the shell attains 33 mm and it lives in different shells.DistributionThis marine species occurs off KwaZulu-Natal, South Africa.