Pyramidelloidea is a superfamily of Gastropoda. There are 3239 species of Pyramidelloidea, in 163 genera and 2 families. This superfamily has been around since the middle triassic epoch. It includes groups like Pyramidellidae and Amathinidae. Dead Pyramidelloidea form shallow marine sediments. They are carnivores. They have sexual reproduction.
EOL has data for 23 attributes, including: