Children (23 direct children, 1799 direct and indirect children):
Bacillaria
(tree size 12)
Pseudo-nitzschia
(tree size 46)
Diploneis
(tree size 275)
Nitzschia
(tree size 1088)
Hantzschia
(tree size 137)
Nitschia
Cylindrotheca
(tree size 6)
Allonitzschia
(tree size 1)
Alveus
(tree size 1)
Cymatonitzschia
(tree size 1)
Cymbellonitzschia
(tree size 6)
Denticula
(tree size 41)
Denticulopsis
(tree size 20)
Fragilariopsis
(tree size 28)
Gomphonitzschia
(tree size 7)
Gomphotheca
Neodenticula
(tree size 3)
Nitzschiella
Ophidocampa
(tree size 1)
Perrya
(tree size 1)
Psammodictyon
(tree size 17)
Simonsenia
(tree size 7)
Tryblionella
(tree size 78)