Family Peresianidae (see alternative families)

• Manunema (=?Leptolaimidae)

Uncertain:

• Assia ?
• Bernardius (=?Enchelidiidae)
• Conilia ?
• Elzalia (=?Xyalidae)
• Ingenia ?
• Kosswigonema (=?Selachinematidae)
• Litotes ?
• Robbea (=?Desmodoridae)
• Synonema ?