Children (14 direct children, 265 direct and indirect children):
Pediastrum
(tree size 140)
Water net
(tree size 9)
Hydrodictyon
Monactinus
(tree size 6)
Parapediastrum
(tree size 2)
Pseudopediastrum
(tree size 9)
Sorastrum
(tree size 13)
Stauridium
(tree size 4)
Tetraedron
(tree size 2)
Tetrapedia
(tree size 4)
Tetrapedia (alga)
Euastropsis
(tree size 1)
Helierella
(tree size 56)
Lacunastrum
(tree size 1)
Sphaerastrum
(tree size 3)
Tetraedroides
(tree size 1)