Children (35 direct children, 37 direct and indirect children):
Protula tubularia
(tree size 2)
Protula diomedeae
Protula media
Protula palliata
Protula americana
Protula alba
Protula pacifica
Protula superba
Protula balboensis
Protula submedia
Protula intestinum
Protula apomatoides
Protula longiseta
Protula alberti
Protula anomala
Protula antennata
Protula atypha
Protula bispiralis
Red fanworm
Protula canavarii
Protula planianica
Protula lusitanica
Protula procera
Protula soofita
Protula arafurensis
Protula desiderata
Protula appendiculata
Protula setosa
Protulopsis
Hydroides
Protula extensa
Protula similis
Protula simplex
Protula tabularia
Protula vincenti
Protula xeniolum