Helicarionoidea is a superfamily of snails. There are 880 species of Helicarionoidea, in 165 genera and 3 families. This superfamily has been around since the priabonian age. It includes groups like Urocyclidae, Helicarionidae, and Black Faced Snails. Dead Helicarionoidea form shallow marine sediments. They have sexual reproduction.
EOL has data for 10 attributes, including: