Children (15 direct children, 17 direct and indirect children):
Psilaster charcoti
Psilaster agassizi
Psilaster pectinatus
Psilaster attenuatus
Psilaster gotoi
Psilaster armatus
Psilaster herwigi
Psilaster andromeda
(tree size 2)
Psilaster florae
Psilaster robustus
Psilaster sladeni
Psilaster acuminatus
Psilaster cassiope
Psilaster gracilis
Psilaster squameus