Trochoidea is a superfamily of snails. There are 2778 species of Trochoidea, in 311 genera and 22 families. This superfamily has been around since the ludfordian age. It includes groups like Proconulidae, Metriomphalidae, and Areneidae. Dead Trochoidea form shallow marine sediments. They have sexual reproduction.
EOL has data for 13 attributes, including: