Children (26 direct children, 26 direct and indirect children):
Trachia serpentinitica
Trachia limatulata
Trachia albicostis
Trachia asperella
Trachia balansai
Trachia clarus
Trachia contracta
Trachia cordieri
Trachia crassicostata
Trachia diestalmena
Trachia emensus
Trachia fallaciosa
Trachia pilisparsa
Trachia proxima
Trachia pseudomiara
Trachia pudica
Trachia ruginosa
Trachia smithi
Trachia sordida
Trachia trochalia
Trachia wrayi
Trachia footei
Trachia hardouini
Trachia lambineti
Trachia nangporensis
Trachia nilagirica