Children (39 direct children, 803 direct and indirect children):
Conopleura
(tree size 3)
Cymatosyrinx
(tree size 20)
Viridrillia
(tree size 4)
Drillia
(tree size 221)
Cerodrillia
(tree size 34)
Bellaspira
(tree size 20)
Splendrillia
(tree size 140)
Fusiturricula
(tree size 21)
Lissodrillia
(tree size 12)
Acinodrillia
(tree size 3)
Agladrillia
(tree size 16)
Brephodrillia
(tree size 3)
Calliclava
(tree size 14)
Clathrodrillia
(tree size 36)
Douglassia
(tree size 7)
Elaeocyma
(tree size 13)
Eumetadrillia
(tree size 2)
Globidrillia
(tree size 7)
Imaclava
(tree size 6)
Kylix
(tree size 11)
Kylix (gastropod)
Leptadrillia
(tree size 21)
Orrmaesia
(tree size 3)
Paracuneus
(tree size 4)
Plagiostropha
(tree size 15)
Sediliopsis
(tree size 10)
Spirotropis
(tree size 29)
Spirotropis (gastropod)
Tylotiella
(tree size 26)
Syntomodrillia
(tree size 25)
Cruziturricula
(tree size 2)
Tylotia
Eldridgea
Crassopleura
(tree size 7)
Wairarapa
(tree size 2)
Wairarapa (gastropod)
Sedilia
(tree size 4)
Sedilia (gastropod)
Decoradrillia
(tree size 5)
Hauturua
(tree size 5)
Pleurofusia
(tree size 13)
Clavicantha
Nitidiclavus