Children (11 direct children, 161 direct and indirect children):
Calanus
(tree size 93)
Heteroptilus
(tree size 3)
Mesocalanus
(tree size 2)
Neocalanus
(tree size 7)
Calanoides
(tree size 8)
Canthocalanus
(tree size 5)
Cosmocalanus
(tree size 6)
Nannocalanus
(tree size 4)
Pontoptilus
(tree size 9)
Undinula
(tree size 12)
Metranura
(tree size 1)