Children (11 direct children, 11 direct and indirect children):
Prothalotia flindersi
Prothalotia lehmanni
Prothalotia lesueuri
Prothalotia ramburi
Prothalotia boninensis
Kanekotrochus boninensis
Prothalotia chlorites
Prothalotia porteri
Prothalotia strigata
Prothalotia suturalis
Prothalotia pulcherrima
Prothalotia baudini