Children (10 direct children, 36 direct and indirect children):
Mecysmauchenius
(tree size 17)
Zearchaea
(tree size 2)
Mecysmauchenioides
(tree size 2)
Aotearoa
(tree size 1)
Chilarchaea
(tree size 1)
Mesarchaea
(tree size 1)
Semysmauchenius
(tree size 1)
Archaemecys
(tree size 1)
Mecysmaucheniinae
Zearchaeinae