| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Protodrilus adhaerens | 204716 | Jagersten, 1952 | | ITIS | valid | | Species |
| Protodrilus affinis | 204717 | Jouin, 1968 | | ITIS | valid | | Species |
| Protodrilus ciliatus | 204718 | Jagersten, 1952 | | ITIS | valid | | Species |
| Protodrilus flabelliger | 68402 | | | ITIS | valid | | Species |
| Protodrilus flavocapitatus | 204720 | (Uljanin, 1877) | | ITIS | valid | | Species |
| Protodrilus gracilis | 204719 | Von Nordheim, 1989 | | ITIS | valid | | Species |
| Protodrilus hatscheki | 204721 | Pierantoni, 1908 | | ITIS | valid | | Species |
| Protodrilus helgolandicus | 204722 | Von Nordheim, 1983 | | ITIS | valid | | Species |
| Protodrilus hypoleucus | 204723 | Armenante, 1903 | | ITIS | valid | | Species |
| Protodrilus mirabilis | 204715 | Czerniavsky, 1881 | | ITIS | valid | | Species |
| Protodrilus oculifer | 204724 | Pierantoni, 1908 | | ITIS | valid | | Species |
| Protodrilus purpureus | 204725 | (Schneider, 1868) | | ITIS | valid | | Species |
| Protodrilus rubropharyngeus | 204726 | Jagersten, 1940 | | ITIS | valid | | Species |
| Protodrilus symbioticus | 68403 | | | ITIS | valid | | Species |
