Children (13 direct children, 15 direct and indirect children):
Tethyaster magnificus
Tethyaster tangaroae
Tethyaster aulophora
Tethyaster canaliculatus
Tethyaster grandis
Tethyaster pacei
Tethyaster vestitus
(tree size 2)
Tethyaster subinermis
Tethyaster albertensis
Tethyaster antares
Tethyaster guerangeri
Tethyaster jurassicus
Tethyaster parelii