Children (28 direct children, 28 direct and indirect children):
Pennella filosa
Pennella instructa
Pennella balaenopterae
Pennella hawaiiensis
Pennella sagitta
Pennella costai
Pennella remorae
Pennella crassicornis
Pennella angustispora
Pennella arctica
Pennella asymmetrica
Pennella grassei
Pennella digitata
Pennella montana
Pennella simulii
Pennella balaenoptera
Pennella cylindrica
Pennella diodontis
Pennella elongata
Pennella exocoeti
Pennella makaira
Pennella oxyporhamphi
Pennella selaris
Pennella tridentata
Pennella varians
Pennella benzi
Pennella gracilis
Pennella intricata