唇顎亞綱†Palaeosomatida(英语:Palaeosomatida) Hannibal & Krzeminski, 2005 Order †Pleurojulida(英语:Pleurojulida) Schneider & Werneburg, 1998 (possibly sister to Colobognatha)
馬陸Euphoberiida目 Hoffman, 1969 † Palaeosomatida目 Hannibal & Krzeminski, 2005 † Pleurojulida目 Schneider & Werneburg, 1998 (可能為畸顎馬陸類的姊妹分類群) 畸顎馬陸類 Colobognatha Brandt