GALGULIDAE Billberg, 1820: 66 (Galgulides). Type genus: Galgulus Latreille, 1802. Preoccupied (= Gelastocoris Kirkaldy, 1897), New World.
GELASTOCORIDAE Kirkaldy, 1897a: 258. Replacement name for Galgulidae. Type genus: Gelastocoris Kirkaldy, 1897, New World.
NERTHRIDAE Kirkaldy, 1906a: 149. Type genus: Nerthra Say, 1832.