NOMEN: Mallophaga Nitzsch 1818: 22, 29 [Ch.L. Nitzsch. Darstellung der Familien und Gattungen der Thierinsecten (insecta epizoica). – Magazin fur die Entomologie, Germar, Zincken, 1818, Bd.3]
ORIGINAL LISTED MEMBERSHIP (Nitzsch
1818):
Philopterus + Trichodectes + Liotheum + Gyropus 
OBJECTIVE SYNONYM:
= Orthoptera epizoica Nitzsch 1818
SENIOR CIRCUMSCRIPTIONAL SYNONYM:
= Ornithomyza Dumeril 1805 (originally as Ornithomyzes in French and Ornithomyzen in German)
JUNIOR CIRCUMSCRIPTIONAL SYNONYMS:
= Ornithomozyna Dumeril 1823
= Mandibulata Latreille 1825 (non Clairville 1798, nec Snodgrass 1935)
= Lipoptera Shipley 1904
= Mallophagida Pearce 1936
TYPIFIED NAME IN BASIC FORMAT: Philopterus/f=Ricinus/g
TYPIFIED NAMES IN USE: Philopterida, Philopterina, Nirmites
MODERN
STATUS: 
the valid (while not the
oldest) name of a generally accepted taxon, which is possibly holophyletic.
Systematic position and classification of Mallophaga:
| Parasita
Siphunculata Rhyncophthirina Mallophaga Amblycera Ischnocera |
COMMENT. In spite of the fact, that Mallophaga is not the oldest name, it should be used as valid, because among the names fitting in original circumscription, Mallophaga is the most widely used one.