Pleurotomarioidea
(tree size 25)
Eotomarioidea
(tree size 59)
Murchisonioidea
(tree size 28)
Porcellioidea
(tree size 22)
Murchisoniinae
(tree size 42)
Pseudophoroidea
(tree size 5)
Sinuspiroidea
Ptychomphaloidea
(tree size 3)
Schizogonioidea
(tree size 1)