Helicinoidea is a superfamily of snails. There are 40 species of Helicinoidea, in 11 genera and 3 families. This superfamily has been around since the lutetian age. It includes groups like Dawsonellidae, Neritiliidae, and Deianiridae. Dead Helicinoidea form shallow marine sediments. They have sexual reproduction.
EOL has data for 11 attributes, including: