Children (8 direct children, 8 direct and indirect children):
Psammodrilus balanoglossoides
Psammodrilus aedificator
Psammodrilus moebjergi
Psammodrilus swedmarki
Psammodrilus fauveli
Psammodrilus curinigallettii
Psammodrilus didomenicoi
Psammodrilus norenburgi