Children (53 direct children, 1498 direct and indirect children):
Planorbis
(tree size 211)
Gundlachia
(tree size 15)
Gundlachia (gastropod)
Burnupia
(tree size 25)
Ancylus
(tree size 78)
Bulinus
(tree size 91)
Ferrissia
(tree size 50)
Gyraulus
(tree size 214)
Planorbella
(tree size 37)
Menetus
(tree size 26)
Rhodacmea
(tree size 4)
Rhodacme
Helisoma
(tree size 35)
Glyptophysa
(tree size 21)
Biomphalaria
(tree size 98)
Neoplanorbis
(tree size 5)
Bathyomphalus
(tree size 6)
Planorbarius
(tree size 57)
Segmentina
(tree size 31)
Planorbula
(tree size 8)
Drepanotrema
(tree size 14)
Vorticifex
(tree size 28)
Promenetus
(tree size 4)
Australorbis
(tree size 7)
Africanogyrus
(tree size 4)
Amphigyra
(tree size 1)
Ancylastrum
(tree size 7)
Camptoceras
(tree size 6)
Ceratophallus
(tree size 12)
Isidorella
(tree size 5)
Lentorbis
(tree size 3)
Miratesta
(tree size 2)
Segmentorbis
(tree size 5)
Simulator
(tree size 1)
Simulator (gastropod)
Afrogyrus
Choanomphalus
(tree size 32)
Leichhardtia
(tree size 1)
Kessneria
(tree size 1)
Ancylini
(tree size 55)
Hebetancylus
(tree size 4)
Culmenella
(tree size 7)
Indoplanorbis
(tree size 1)
Amerianna
(tree size 13)
Armiger
(tree size 17)
Bayardella
(tree size 2)
Intha
(tree size 2)
Rhodacmeinae
Ancylinae
(tree size 16)
Planorbinae
(tree size 146)
Bulininae
(tree size 12)
Neoplanorbinae
Pecosorbis
(tree size 1)
Polypylis
(tree size 9)
Miratestinae
(tree size 4)
Physastra
(tree size 11)