Children (21 direct children, 21 direct and indirect children):
Archaeocidaris nerei
Archaeocidaris aliquantula
Archaeocidaris apheles
Archaeocidaris barroisi
Archaeocidaris brownwoodensis
Archaeocidaris cowleyi
Archaeocidaris diadematoides
Archaeocidaris faassi
Archaeocidaris fraxinensis
Archaeocidaris hamata
Archaeocidaris hemispinifera
Archaeocidaris immanis
Archaeocidaris manhattanensis
Archaeocidaris meurevillensis
Archaeocidaris mosquensis
Archaeocidaris propinqua
Archaeocidaris schreteri
Archaeocidaris setosa
Archaeocidaris subwortheni
Archaeocidaris triserialis
Archaeocidaris whatleyensis