Children (12 direct children, 185 direct and indirect children):
Pinna
(tree size 129)
Pinna (bivalve)
Atrina
(tree size 43)
Streptopinna
Meekopinna
Pteronites
(tree size 1)
Pinnigena
Exitopinna
Quantulopinna
Servatrina
Stegoconcha
Subitopinna
Trichites