Children (29 direct children, 6348 direct and indirect children):
Patelloidea
(tree size 404)
Euomphalina
(tree size 46)
Calliostomatidae
(tree size 786)
Trochidae
(tree size 2295)
Turbinidae
(tree size 954)
Turban snails
Pleurotomariidae
(tree size 252)
Phasianellidae
(tree size 77)
Helicinoidea
(tree size 78)
Cyclostrematidae
(tree size 40)
Pseudococculinidae
(tree size 72)
Scissurellidae
(tree size 214)
Seguenziidae
(tree size 231)
Trochaclididae
(tree size 36)
Skeneidae
(tree size 584)
Cocculinoidea
(tree size 110)
Addisoniidae
(tree size 13)
Orbitestellidae
(tree size 50)
Pleurotomariacea
Trochina
Assiminidae
Tricoliidae
(tree size 74)
Fischeriella
Umboniidae
Cerithiacea
(tree size 3)
Littorinacea
Amberleyacea
Tornacea
Fissurellacea
Rothpletzella
Rothpletzella böhm 1895