| Species name | Common name | Distribution | Max. Length (cm) | 
|---|---|---|---|
| Halichaetonotus aculifer (Gerlach, 1953) | Atlantic Ocean, Mediterranean, Black Sea and Indian Ocean | 0.0134 | |
| Halichaetonotus arenarius (d'Hondt, 1971) | Northeast Atlantic | ||
| Halichaetonotus atlanticus Kisielewski, 1988 | Northeast Atlantic | ||
| Halichaetonotus australis Nicholas & Todaro, 2005 | Southwest Pacific | ||
| Halichaetonotus balticus Kisielewski, 1975 | Northeast Atlantic | ||
| Halichaetonotus bataceus Evans, 1992 | Western Central Atlantic | ||
| Halichaetonotus batillifer (Luporini & Tongiorgi, 1972) | Northeast Atlantic and the Mediterranean | ||
| Halichaetonotus clavicornis Balsamo, Fregni & Tongiorgi, 1995 | Mediterranean Sea | ||
| Halichaetonotus decipiens (Remane, 1929) | Atlantic Ocean, Mediterranean Sea and Black Sea, and Indian Ocean | 0.0125 | |
| Halichaetonotus dubius (Remane, 1926) | Northeast Atlantic | ||
| Halichaetonotus etrolomus Hummon, Balsamo & Todaro, 1992 | Mediterranean Sea | 0.0112 | |
| Halichaetonotus genatus Balsamo, Fregni & Tongiorgi, 1995 | Mediterranean Sea | ||
| Halichaetonotus italicus Balsamo, Hummon, Todaro & Tongiorgi, 1997 | Mediterranean Sea | 0.0114 | |
| Halichaetonotus jucundus (d'Hondt, 1971) | Northeast Atlantic and the Mediterranean | ||
| Halichaetonotus lamellatus Kisielewski, 1975 | Northeast Atlantic | ||
| Halichaetonotus littoralis (d'Hondt, 1971) | Northeast Atlantic | ||
| Halichaetonotus margaretae Hummon, Balsamo & Todaro, 1992 | Western Atlantic, Mediterranean and Western Indian Ocean | 0.014 | |
| Halichaetonotus marivagus Balsamo, Todaro & Tongiorgi, 1992 | Southwest Atlantic and the Mediterranean | 0.015 | |
| Halichaetonotus paradoxus (Remane, 1927) | Atlantic Ocean, Mediterranean and Western Indian Ocean | ||
| Halichaetonotus parvus (Wilke, 1954) | Mediterranean Sea | ||
| Halichaetonotus pleuracanthus (Remane, 1926) | Northeast Atlantic, Mediterranean and the Black Sea | 0.017 | |
| Halichaetonotus polonense Hummon, 2008 | Northeast Atlantic | ||
| Halichaetonotus riedli Schrom, 1972 | Mediterranean Sea | ||
| Halichaetonotus schromi Kisielewski, 1975 | Northeast Atlantic | ||
| Halichaetonotus spinosus Mock, 1979 | Atlantic Ocean, Mediterranean and Western Indian Ocean | 0.0142 | |
| Halichaetonotus swedmarki Schrom, 1972 | Mediterranean Sea | ||
| Halichaetonotus tentaculatus (d'Hondt, 1971) | Northeast Atlantic | ||
| Halichaetonotus thalassopais Hummon, Balsamo & Todaro, 1992 | Mediterranean Sea | 0.012 |