Children (21 direct children, 21 direct and indirect children):
Ptilonyssus philemoni
Ptilonyssus cractici
Ptilonyssus emberizae
Ptilonyssus euroturdi
Ptilonyssus echinatus
Ptilonyssus sittae
Ptilonyssus calvaria
Ptilonyssus nivalis
Ptilonyssus pinicola
Ptilonyssus plesiotypicus
Ptilonyssus camptostoma
Ptilonyssus hirsti
Ptilonyssus icteridius
Ptilonyssus japuibensis
Ptilonyssus lanii
Ptilonyssus morofskyi
Ptilonyssus sairae
Ptilonyssus tyrannus
Ptilonyssus fluvicolae
Ptilonyssus hoffmannae
Ptilonyssus nudus