Children (34 direct children, 34 direct and indirect children):
Macrorhynchia mulderi
Macrorhynchia meteor
Macrorhynchia clarkei
Macrorhynchia singularis
Macrorhynchia grandis
Macrorhynchia ambigua
Macrorhynchia gravelyi
Macrorhynchia nuttingi
Macrorhynchia savignyana
Macrorhynchia philippina
Macrorhynchia phoenicea
Macrorhynchia similis
Macrorhynchia multiplicatopinnata
Macrorhynchia longicorne
Macrorhynchia quadriarmata
Macrorhynchia racemifera
Macrorhynchia furcata
Macrorhynchia protecta
Macrorhynchia fulva
Macrorhynchia asymmetrica
Macrorhynchia sibogae
Macrorhynchia disjuncta
Macrorhynchia filamentosa
Smoky feather hydroid
Macrorhynchia ramosa
Macrorhynchia balei
Macrorhynchia longicornis
Macrorhynchia hornelli
Macrorhynchia hawaiensis
Macrorhynchia allmani
Macrorhynchia crestata
Macrorynchia crestata (mispelling)
Stinging bush hydroid
Macrorhynchia curta
Macrorhynchia ramulosa
Macrorhynchia spiralis