The following taxa of this order occur in the region:
Family Protodrilidae
Genus Protodriloides
Family Protodriloididae
Genus Protodrilus
Protodriloides chaetifer
Protodriloides symbioticus
Protodrilus adhaerens
Protodrilus affinis
Protodrilus brevis
Protodrilus ciliatus
Protodrilus gracilis
Protodrilus hatscheki
Protodrilus helgolandicus
Protodrilus hypoleucus
Protodrilus oculifer
Protodrilus purpureus
Protodrilus robustus
Protodrilus rubropharyngeus