Gastropoda

class of molluscs Gastropoda (Gastropoda) is a class of organisms united by key anatomical and physiological traits. It contains 15 orders with 623 known species. Key order groups include Aplysiida, Architaenioglossa, Cephalaspidea, Cycloneritida, Ellobiida, and Lepetellida. Among its members, 88 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Mollusks (Mollusca).