Children (26 direct children, 236 direct and indirect children):
Kerguelenella
(tree size 7)
Siphonaria
(tree size 166)
Williamia
(tree size 22)
Ellsiphon
(tree size 1)
Siphonacmaea
(tree size 1)
Hebesiphon
(tree size 1)
Aporemodon
(tree size 1)
Mestosiphon
(tree size 2)
Legosiphon
(tree size 3)
Mallorisiphon
(tree size 1)
Benhamina
(tree size 1)
Pugillaria
(tree size 2)
Heterosiphonaria
Pachysiphonaria
Siphonacmea
(tree size 1)
Talisiphon
(tree size 1)
Ductosiphonaria
Hubendickula
Liriola
Mouretus
Parascutum
Parellsiphon
Patellopsis
Simplisiphonaria
Torquisiphon
Triellsiphon