Children (12 direct children, 12 direct and indirect children):
Trematotrochus hedleyi
Trematotrochus corbicula
Trematotrochus sp.
Trematotrochus alternans
Trematotrochus clarkii
Trematotrochus complanatus
Trematotrochus declivis
Trematotrochus fenestratus
Trematotrochus kitsoni
Trematotrochus lateroplenus
Trematotrochus mulderi
Trematotrochus verconis