Children (12 direct children, 14 direct and indirect children):
Eurypteryx geoffreyi
Eurypteryx shelfordi
Eurypteryx molucca
Eurypteryx bhaga
Eurypteryx obtruncata
Eurypteryx alleni
(tree size 2)
Eurypteryx dianae
Eurypteryx falcata
Eurypteryx nieplti
Eurypteryx obiana
Eurypteryx biovatus
Eurypteryx pendleburyi