Palaeotetrapylinae
Dipylissinae
Pylodiscinae
(tree size 4)
Pyloniinae
(tree size 15)
Circodiscus
(tree size 1)
Dipylissa
(tree size 1)
Hexapyle
(tree size 2)
Phorticium
(tree size 3)
Plectacantha
(tree size 2)
Prunopyle
Pylolena
(tree size 2)
Streblacantha
(tree size 1)
Pylodiscus
(tree size 1)