Allographis Silvestri, 1948 (original description)
Allojapyx Silvestri, 1948 (original description)
Anartiodesmus Silvestri, 1948 (original description)
Chilexenus Silvestri, 1948 (original description)
Cryphodesmus Silvestri, 1948 (original description)
Ctenjapyx Silvestri, 1948 (original description)
Delurodesmus Silvestri, 1948 (original description)
Dipljapyx Silvestri, 1948 (original description)
Eudigraphis Silvestri, 1948 (original description)
Holjapyx Silvestri, 1948 (original description)
Lophoproctinus Silvestri, 1948 (original description)
Meiodesmus Silvestri, 1947 (original description)
Mesoxenontus Silvestri, 1948 (original description)
Metodesmus Silvestri, 1948 accepted as Meiodesmus Silvestri, 1947 (original description)
Occasjapyx Silvestri, 1948 (original description)
Periechodesmus Silvestri, 1948 (original description)
Protjapyx Silvestri, 1948 (original description)
Unjapyx Silvestri, 1948 (original description)
Xenodesmus Silvestri, 1948 (original description)