Children (14 direct children, 14 direct and indirect children):
Neotrigonia bednalli
Neotrigonia gemma
Neotrigonia kaiyomaruae
Neotrigonia lamarckii
Neotrigonia margaritacea
Neotrigonia strangei
Neotrigonia uniophora
Neotrigonia jacksoni
Neotrigonia acuticostata
Neotrigonia horia
Neotrigonia howitti
Neotrigonia medipontea
Neotrigonia novaguineana
Neotrigonia trua