Children (31 direct children, 35 direct and indirect children):
Scapharca inaequivalvis
Scapharca anomala
Scapharca troscheli
Scapharca japonica
Scapharca axelolssoni
Scapharca crassissima
Scapharca cornea
Scapharca gubernaculum
Scapharca globosa
(tree size 1)
Scapharca satowi
(tree size 2)
Scapharca biangulata
Scapharca aliena
Scapharca brasiliana
Scapharca broughtonii
Scapharca chemnitzii
Scapharca clathrata
Scapharca demiri
Scapharca deyrollei
Scapharca globosus
(tree size 1)
Scapharca guangdongensis
Scapharca jickelii
Scapharca kagoshimensis
Scapharca lischkei
Scapharca natalensis
Scapharca penangana
Scapharca philippiana
Scapharca pumila
Scapharca pygmaea
Scapharca sativa
Scapharca subcrenata
Scapharca vellicata