Children (14 direct children, 14 direct and indirect children):
Styracaster robustus
Styracaster elongatus
Styracaster monacanthus
Styracaster clavipes
Styracaster armatus
Styracaster simplipaxillatus
Styracaster horridus
Styracaster paucispinus
Styracaster chuni
Styracaster longispinus
Styracaster caroli
Styracaster transitvus
Styracaster yapensis
Styracaster groenlandica