Thecideoidea is a superfamily of lamp shells. There are 23 species of Thecideoidea, in 7 genera and 2 families. This superfamily has been around since the norian age. It includes groups like Thecideidae and Thecidellinidae. They have sexual reproduction. They have parental care (brooding). They are sessile animals.
EOL has data for 14 attributes, including: