Children (12 direct children, 12 direct and indirect children):
Pyramichlamys guadrangulata
Pyramichlamys acuta
Pyramichlamys crassifilis
Pyramichlamys cylindracea
Pyramichlamys dissecta
Pyramichlamys excavata
Pyramichlamys irregularis
Pyramichlamys massartii
Pyramichlamys quadrangulata
Pyramichlamys salina
Pyramichlamys semiglobosa
Pyramichlamys vectensis