Aetiopedesidae Myers & Lowry, 2003 (basis of record)
Amaryllididae Lowry & Stoddart, 2002 (basis of record)
Baikalogammaridae Kamaltynov, 2001 (basis of record)
Behningiellidae Kamaltynov, 2001 (basis of record)
Carinogammaridae Tachteew, 2001 sensu Kamaltynov, 2010 (basis of record)
Chevaliidae Myers & Lowry, 2003 (basis of record)
Crymostygidae Kristjánsson & Svavarsson, 2004 (basis of record)
Eurytheneidae Stoddart & Lowry, 2004 (basis of record)
Iphigenellidae Kamaltynov, 2001 (basis of record)
Kamakidae Myers & Lowry, 2003 (basis of record)
Microprotopidae Myers & Lowry, 2003 (basis of record)
Miramassidae (basis of record)
Paragammaropsidae Myers & Lowry, 2003 (basis of record)
Rakiroidae Myers & Lowry, 2003 (basis of record)
Regaliidae Lowry, 2006 (basis of record)
Sanchoidae Lowry, 2006 (basis of record)
Unciolidae Myers & Lowry, 2003 (basis of record)