Boreochlus Edwards, 1938 (original description)
Californiulus Verhoeff, 1938 (original description)
Crenohygrobates Lundblad, 1938 (original description)
Crenolimnesia Lundblad, 1938 (original description)
Miraxonides Lundblad, 1938 (original description)
Neoaxonopsis Lundblad, 1938 (original description)
Neotyrrellia Lundblad, 1938 (original description)
Niphargellus Schellenberg, 1938 (original description)
Paeromopellus Verhoeff, 1938 (original description)
Paralimnesia Lundblad, 1938 (original description)
Rhyncheylais Lundblad, 1938 (original description)
Schadeella Lundblad, 1938 (original description)
Solnhofenistomites Kuhn, 1938 (original description)