Children (50 direct children, 50 direct and indirect children):
Ovula ovum
Common egg cowrie
Ovula costellata
Ovula ishibashii
Ovula isibasii
Ovula adamsi
Ovula adamsii
Ovula alba
Ovula angulosa
Ovula antillarum
Ovula aspera
Ovula blainvillei
Ovula blanville
Ovula borbonica
Ovula canadiensis
Ovula carnea
Ovula carolinensis
Ovula columba
Ovula cristallina
Ovula cumingi
Ovula cygnea
Ovula deflexa
Ovula formosa
Ovula gigantea
Ovula gisortiana
Ovula hirasei
Ovula inflexa
Ovula insculpta
Ovula leathesi
Ovula lutea
Ovula margarita
Ovula nigerina
Ovula nipponensis
Ovula oviformis
Ovula papyracea
Ovula pennantiana
Ovula pharetra
Ovula philippinarum
Ovula pudica
Ovula pygmaea
Ovula rhodia
Ovula roseocarnea
Ovula rostrata
Ovula rufula
Ovula seccato
Ovula spelta
Ovula striata
Ovula textoria
Ovula tortilis
Ovula umbilicata
Ovula uniplicata