| Nominal Species (n = 23) | Present allocation (n = 17) | Ref. |
|---|---|---|
| Spirorhynchus alemniscus Harada, 1935 | Longicollum alemniscus | 75097 |
| Echinorhynchus attenuatus Schrank, 1790 | Pomphorhynchus tereticollis | 19 |
| Pomphorhynchus bulbocolli Linkins, 1919 | Pomphorhynchus bulbocolli | 19 |
| Longicollum chabanaudi Dollfus & Golvan, 1963 | Longicollum chabanaudi | 19 |
| Echinorhynchus dobulae Schrank, 1790 | Pomphorhynchus tereticollis | 19 |
| Longicollum edmondsi Golvan, 1969 | Longicollum edmondsi | 19 |
| Pomphorhynchus francoisae Golvan, 1969 | Pomphorhynchus francoisae | 19 |
| Longicollum indicum Gupta & Gupta, 1970 | Longicollum indicum | 19 |
| Echinorhynchus laevis Zoega, 1776 | Pomphorhynchus laevis | 19 |
| Echinorhynchus longicollis Pallas, 1782 | Pomphorhynchus tereticollis | 19 |
| Pomphorhynchus lucyi Williams & Rogers, 1984 | Pomphorhynchus lucyi | 19 |
| Longicollum lutjani Jain & Gupta, 1980 | Longicollum lutjani | 19 |
| Longicollum minor Fukui & Morisita, 1936 | Longicollum alemniscus | 75097 |
| Pomphorhynchus moyanoi Olmos & Habit, 2007 | Pomphorhynchus moyanoi | 84732 |
| Longicollum noellae Golvan, 1969 | Longicollum noellae | 19 |
| Longicollum pagrosomi Yamaguti, 1935 | Longicollum pagrosomi | 19 |
| Echinorhynchus piscinus Müller, 1779 | Pomphorhynchus tereticollis | 19 |
| Echinorhynchus proteus Westrumb, 1821 | Pomphorhynchus laevis | 19 |
| Longicollum riouxi Golvan, 1969 | Longicollum riouxi | 19 |
| Pomphorhynchus rocci Cordonnier & Ward, 1967 | Pomphorhynchus rocci | 19 |
| Pomphorhynchus sebastichthydis Yamaguti, 1939 | Pomphorhynchus sebastichthydis | 19 |
| Tenuiproboscis sergenti Choquette & Gayot, 1952 | Longicollum sergenti | 75097 |
| Echinorhynchus tereticollis Rudolphi, 1809 | Pomphorhynchus tereticollis | 19 |