Children (14 direct children, 153 direct and indirect children):
Terpsinoë
(tree size 7)
Terpsinoe
Pseudotriceratium
(tree size 7)
Arcusidiscus
(tree size 1)
Biddulphia
(tree size 66)
Biddulphiopsis
(tree size 3)
Hydrosera
(tree size 4)
Isthmia
(tree size 9)
Neohuttonia
(tree size 3)
Stoermeria
(tree size 2)
Trigonium
(tree size 13)
Alveoflexus
(tree size 1)
Ancoropsis
(tree size 1)
Euodiella
(tree size 7)
Medlinia
(tree size 15)