Proboscis with one functional stylet, flanked by pouches containing reserve stylets (Monostilifera-stylet bulb).
Source: Gibson and Knight-Jones, 1990.
The following taxa of this suborder occur in the region:
Family Amphiporidae
Genus Amphiporus
Family Carcinonemertidae
Genus Carcinonemertes
Family Cratenemertidae
Genus Nipponnemertes
Family Emplectonematidae
Genus Emplectonema
Genus Nemertopsis
Genus Oerstedia
Genus Tetrastemma
Amphiporus bioculatus
Amphiporus cordiceps
Amphiporus hastatus
Amphiporus lactifloreus
Carcinonemertes carcinophila
Emplectonema gracile
Emplectonema neesii
Nemertopsis flavida
Nipponnemertes pulcher
Oerstedia dorsalis
Tetrastemma candidum
Tetrastemma flavidum
Tetrastemma helvolum
Tetrastemma melanocephalum
Tetrastemma robertianae
Tetrastemma vermiculus