Protoperidinioideae
(tree size 4)
Boreadinium
(tree size 1)
Diplopelta
(tree size 7)
Diplopsalis
(tree size 4)
Dissodium
Lebouraia
(tree size 1)
Diplopsalopsis
(tree size 9)
Gotoius
(tree size 4)
Minuscula
Oblea
(tree size 2)
Preperidinium
(tree size 5)
Properidinium
(tree size 1)
Protoperidinium
(tree size 329)