Children (32 direct children, 347 direct and indirect children):
Lottia
(tree size 84)
Collisella
(tree size 44)
Erginus
(tree size 6)
Erginus (gastropod)
Tectura
(tree size 21)
Radiacmea
(tree size 5)
Atalacmea
(tree size 3)
Notoacmea
(tree size 47)
Niveotectura
(tree size 2)
Patelloida
(tree size 51)
Scurria
(tree size 18)
Actinoleuca
(tree size 5)
Asteracmea
(tree size 8)
Discurria
(tree size 2)
Nipponacmea
(tree size 11)
Yayoiacmea
(tree size 1)
Rhodopetala
(tree size 1)
Potamacmaea
(tree size 1)
Macklintockia
(tree size 1)
Acmaeinae
Lottiinae
(tree size 4)
Tecturinae
Boreoblinia
Chiazacmea
Collisellacmaea
Collisellina
Conacmea
Kikukozara
Nipponacmaea
Nomaeopelta
Parvacmea
Subacmea
Thalassacmea