| Nominal Species (n = 28) | Present allocation (n = 28) | Ref. |
|---|---|---|
| Geryon affinis Milne-Edwards & Bouvier, 1894 | Chaceon affinis | 2747 |
| Chaceon albus Davie, Ng & Dawson, 2007 | Chaceon albus | 3477 |
| Chaceon atopus Manning & Holthuis, 1989 | Chaceon atopus | 19 |
| Chaceon australis Manning, 1993 | Chaceon australis | 343 |
| Chaceon bicolor Manning & Holthuis, 1989 | Chaceon bicolor | 19 |
| Chaceon chilensis Chirino-Galvez & Manning, 1989 | Chaceon chilensis | 2724 |
| Chaceon crosnieri Manning & Holthuis, 1989 | Chaceon crosnieri | 19 |
| Chaceon eldorado Manning & Holthuis, 1989 | Chaceon eldorado | 19 |
| Geryon fenneri Manning & Holthuis, 1984 | Chaceon fenneri | 3477 |
| Geryon granulatus Sakai, 1978 | Chaceon granulatus | 3477 |
| Progeryon guinotae Crosnier, 1976 | Progeryon guinotae | 19 |
| Zariquieyon inflatus Manning & Holthuis, 1989 | Zariquieyon inflatus | 19 |
| Geryon inghami Manning & Holthuis, 1986 | Chaceon inghami | 3477 |
| Chaceon inglei Manning & Holthuis, 1989 | Chaceon inglei | 19 |
| Chaceon karubar Manning, 1993 | Chaceon karubar | 343 |
| Chaceon linsi Tavares & Pinheiro, 2011 | Chaceon linsi | 3477 |
| Geryon longipes Milne-Edwards, 1882 | Geryon longipes | 19 |
| Progeryon mararae Guinot & Richer de Forges, 1981 | Progeryon mararae | 3477 |
| Geryon maritae Manning & Holthuis, 1981 | Chaceon maritae | 3477 |
| Chaceon mediterraneus Manning & Holthuis, 1989 | Chaceon mediterraneus | 19 |
| Progeryon mus Ng & Guinot, 1999 | Progeryon mus | 19 |
| Chaceon notialis Manning & Holthuis, 1989 | Chaceon notialis | 19 |
| Chaceon poupini Manning, 1992 | Chaceon poupini | 343 |
| Geryon quinquedens Smith, 1879 | Chaceon quinquedens | 3477 |
| Chaceon ramosae Manning, Tavares & Albuquerque, 1989 | Chaceon ramosae | 3477 |
| Chaceon sanctaehelenae Manning & Holthuis, 1989 | Chaceon sanctaehelenae | 19 |
| Geryon tridens Krøyer, 1837 | Geryon trispinosus | 75097 |
| Progeryon vaubani Guinot & Richer de Forges, 1981 | Progeryon vaubani | 100230 |