Children (11 direct children, 15 direct and indirect children):
Argobuccinum pustulosum
(tree size 1)
Argobuccinum tumidum
Argobuccinum proditor
(tree size 3)
Argobuccinum ranelliforme
Argobuccinum tristanense
Argobuccinum argus
Argobuccinum gemmiferum
Argobuccinum magellanicus
Argobuccinum rude
Argobuccinum scabrum
Argobuccinum retiolus