Children (13 direct children, 13 direct and indirect children):
Nipponotrophon scitulus
Scabrotrophon scitulus
Nipponotrophon fabricii
Nipponotrophon lasius
Nipponotrophon elegantissimus
Nipponotrophon elongatus
Nipponotrophon magnificus
Nipponotrophon pagodus
Nipponotrophon shingoi
Nipponotrophon echinus
Nipponotrophon gorgon
Nipponotrophon makassarensis
Nipponotrophon barbarae
Nipponotrophon exquisitus