| Valid name | Holcomycteronus |
| Synonym | Type: 'H. digittatus' Garman, by monotypy. |
| Synonym | Holcomycteronus Garman, 1899 |
| Synonym | Gender: ?; Mem. Mus. comp. Zool., 24: 162 |
| Synonym | Bassogigas Goode and Bean, 1896. Gender: M; Oceanic Ichthyology: 327 (type: B. gillii Goode and Bean, by monotypy) |
| Synonym | Bassogigas: Nybelin, 1957: 294 (synopsis of the genus). |
| Synonym | Grimaldichthys Roule, 1913, Bull. Inst. océanogr. Monaco, (261): 2 (type: G. profundissimus Roule, by monotypy). |