n = 32
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Malthopsis annulifera | Tanaka, 1908 | Malthopsis annulifera | Ogcocephalidae | Ring triangular batfish |
| Malthopsis apis | Ho & Last, 2021 | Malthopsis apis | Ogcocephalidae | Apine triangular batfish |
| Malthopsis arrietty | Ho, 2020 | Malthopsis arrietty | Ogcocephalidae | Short-horn triangular batfish |
| Malthopsis asperata | Ho, Roberts & Shao, 2013 | Malthopsis asperata | Ogcocephalidae | Roughspine triangular batfish |
| Malthopsis austrafricana | Ho, 2013 | Malthopsis austrafricana | Ogcocephalidae | Southern African triangular batfish |
| Malthopsis bradburyae | Ho, 2013 | Malthopsis bradburyae | Ogcocephalidae | Bradbury’s triangular batfish |
| Malthopsis bulla | Ho & Last, 2021 | Malthopsis bulla | Ogcocephalidae | Flatscale triangular batfish |
| Malthopsis erinacea | Garman, 1899 | Dibranchus erinaceus | Ogcocephalidae | |
| Malthopsis formosa | Ho & Koeda, 2019 | Malthopsis formosa | Ogcocephalidae | Taiwanese triangular batfish |
| Malthopsis gigas | Ho & Shao, 2010 | Malthopsis gigas | Ogcocephalidae | Giant triangular batfish |
| Malthopsis gnoma | Bradbury, 1998 | Malthopsis gnoma | Ogcocephalidae | Atlantic triangular batfish |
| Malthopsis jordani | Gilbert, 1905 | Malthopsis jordani | Ogcocephalidae | Jordan's triangular batfish |
| Malthopsis kobayashi | Tanaka, 1916 | Malthopsis kobayashii | Ogcocephalidae | Kobayashi's triangular batfish |
| Malthopsis kobayashii | Tanaka, 1916 | Malthopsis kobayashii | Ogcocephalidae | Kobayashi's triangular batfish |
| Malthopsis lutea | Alcock, 1891 | Malthopsis lutea | Ogcocephalidae | Yellow triangular batfish |
| Malthopsis luteus | Alcock, 1891 | Malthopsis lutea | Ogcocephalidae | Yellow triangular batfish |
| Malthopsis luteus provocator | Whitley, 1961 | Malthopsis provocator | Ogcocephalidae | Prickle triangular batfish |
| Malthopsis mcgroutheri | Ho & Last, 2021 | Malthopsis mcgroutheri | Ogcocephalidae | McGrouther’s triangular batfish |
| Malthopsis mitriger | Gilbert & Cramer, 1897 | Malthopsis mitrigera | Ogcocephalidae | Two-spine triangular batfish |
| Malthopsis mitrigera | Gilbert & Cramer, 1897 | Malthopsis mitrigera | Ogcocephalidae | Two-spine triangular batfish |
| Malthopsis ocellata | Smith & Radcliffe, 1912 | Malthopsis annulifera | Ogcocephalidae | Ring triangular batfish |
| Malthopsis oculata | Ho & Last, 2021 | Malthopsis oculata | Ogcocephalidae | Bigeye triangular batfish |
| Malthopsis parva | Ho, Roberts & Shao, 2013 | Malthopsis parva | Ogcocephalidae | Arrowhead triangular batfish |
| Malthopsis provocator | Whitley, 1961 | Malthopsis provocator | Ogcocephalidae | Prickle triangular batfish |
| Malthopsis retifera | Ho, Prokofiev & Shao, 2009 | Malthopsis retifera | Ogcocephalidae | Reticulate triangular batfish |
| Malthopsis sparsa | Garman, 1899 | Dibranchus sparsus | Ogcocephalidae | |
| Malthopsis spinosa | Garman, 1899 | Dibranchus spinosus | Ogcocephalidae | |
| Malthopsis spinulosa | Garman, 1899 | Dibranchus spinosus | Ogcocephalidae | |
| Malthopsis tetrabulla | Ho & Last, 2021 | Malthopsis tetrabulla | Ogcocephalidae | Queensland triangular batfish |
| Malthopsis tiarella | Jordan, 1902 | Malthopsis tiarella | Ogcocephalidae | Spearnose seabat |
| Malthopsis triangularis | Lloyd, 1909 | Malthopsis mitrigera | Ogcocephalidae | Two-spine triangular batfish |
| Malthopsis velutina | Ho, 2020 | Malthopsis velutina | Ogcocephalidae | Polynesian triangular batfish |