Neogastropoda

order of gastropods Neogastropoda (Neogastropoda) is an order comprising closely related families of organisms. It contains 8 families with 134 known species. Key family groups include Buccinidae, Cancellariidae, Colidae, Conidae, Mangeliidae, and Muricidae. Among its members, 4 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Gastropoda (Gastropoda).