Clionoidea is a superfamily of snails. There are 59 species of Clionoidea, in 17 genera and 4 families. It includes groups like Notobranchaeidae, Cliopsidae, and Sea Angels. Dead Clionoidea form deep marine sediments. Dead Clionoidea form shallow marine sediments. They have sexual reproduction.
EOL has data for 6 attributes, including: