Pterosiphonia
(tree size 32)
Womersleyella
(tree size 5)
Aphanocladia
(tree size 6)
Dictyomenia
(tree size 22)
Heterostroma
(tree size 1)
Pollexfenia
(tree size 8)
Pterosiphoniella
(tree size 1)
Symphyocladia
(tree size 20)
Xiphosiphonia
(tree size 3)
Periphykon
(tree size 3)
Rhodomelopsis
(tree size 1)
Symphyocladiella
(tree size 8)
Savoiea
(tree size 4)
Pentocladia
(tree size 1)