Children (18 direct children, 18 direct and indirect children):
Madagascarchaea fohy
Madagascarchaea lotzi
Madagascarchaea moramora
Madagascarchaea rabesahala
Madagascarchaea legendrei
Madagascarchaea tsingyensis
Madagascarchaea ambre
Madagascarchaea anabohazo
Madagascarchaea borimontsina
Madagascarchaea gracilicollis
Madagascarchaea griswoldi
Madagascarchaea halambohitra
Madagascarchaea jeanneli
Madagascarchaea lavatenda
Madagascarchaea namoroka
Madagascarchaea spiceri
Madagascarchaea vadoni
Madagascarchaea voronakely