Children (10 direct children, 10 direct and indirect children):
Arachnidium lacourti
Arachnidium simplex
Arachnidium irregulare
Arachnidium clavatum
Arachnidium hippothooides
Arachnidium fibrosum
Arachnidium hippothoides
Arachnidium brandesi
Arachnidium longicauda
Arachnidium smithii