Helicarionoidea is a superfamily of Gastropoda. There are 814 species of Helicarionoidea, in 166 genera and 3 families. This superfamily has been around since the priabonian age. It includes groups like Black Faced Snails, Urocyclidae, and Helicarionidae. Dead Helicarionoidea form shallow marine sediments. They have sexual reproduction.
EOL has data for 11 attributes, including: