Seguenzioidea is a superfamily of Gastropoda. There are 720 species of Seguenzioidea, in 89 genera and 10 families. This superfamily has been around since the kungurian age. It includes groups like Seguenziidae, Cataegidae, and Pendromidae. Dead Seguenzioidea form shallow marine sediments. They have sexual reproduction.
EOL has data for 22 attributes, including: