Children (11 direct children, 11 direct and indirect children):
Rhizotrochus levidensis
Rhizotrochus tuberculatus
Rhizotrochus typus
Rhizotrochus flabelliformis
Rhizotrochus affinis
Rhizotrochus crassus
Rhizotrochus fragilis
Rhizotrochus palaoensis
Rhizotrochus radiatus
Rhizotrochus tulipa
Rhizotrochus vegetans