| Nominal Species (n = 50) | Present allocation (n = 33) | Ref. |
|---|---|---|
| Polytherses acuta Duchassaing & Michelotti, 1864 | Ircinia felix | 75097 |
| Psammocinia alba Calcinai, Bastari, Bertolino & Pansini, 2017 | Psammocinia alba | 116210 |
| Hircinia arenosa Lendenfeld, 1888 | Psammocinia arenosa | 84290 |
| Polytherses armata Duchassaing & Michelotti, 1864 | Ircinia felix | 75097 |
| Hircinia aruensis Hentschel, 1912 | Ircinia aruensis | 84290 |
| Ircinia bocatorensis Kelly & Thacker, 2021 | Ircinia bocatorensis | 3477 |
| Psammocinia bulbosa Bergquist, 1995 | Psammocinia bulbosa | 3477 |
| Polytherses capitata Duchassaing & Michelotti, 1864 | Ircinia strobilina | 75097 |
| Ircinia carteri Van Soest & Hooper, 2020 | Ircinia carteri | 3477 |
| Ircinia colossa Calcinai, Bastari, Bertolino & Pansini, 2017 | Ircinia colossa | 116210 |
| Polytherses columnaris Duchassaing & Michelotti, 1864 | Ircinia felix | 75097 |
| Polytherses cylindrica Duchassaing & Michelotti, 1864 | Ircinia strobilina | 75097 |
| Cacospongia dendroides var. dura Lendenfeld, 1889 | Ircinia dendroides | 84290 |
| Polytherses felix Duchassaing & Michelotti, 1864 | Ircinia felix | 75097 |
| Hircinia filamenta Hyatt, 1877 | Ircinia felix | 75097 |
| Hircinia fistularis Verrill, 1907 | Ircinia felix | 75097 |
| Sarcotragus foetidus Schmidt, 1862 | Sarcotragus foetidus | 3477 |
| Cacospongia friabilis Polejaeff, 1884 | Ircinia friabilis | 75097 |
| Cacospongia fribilis Polejaeff, 1884 | Ircinia friabilis | 3477 |
| Hircinia fusca Carter, 1880 | Ircinia fusca | 84290 |
| Psammocinia hawere Cook & Bergquist, 1996 | Psammocinia hawere | 3477 |
| Polytherses ignobilis Duchassaing & Michelotti, 1864 | Ircinia strobilina | 75097 |
| Cacospongia irregularis Poléjaeff, 1884 | Ircinia irregularis | 3477 |
| Ircinia laeviconulosa Kelly & Thacker, 2021 | Ircinia laeviconulosa | 3477 |
| Ircinia linguiformis Duchassaing & Michelotti, 1864 | Ircinia strobilina | 75097 |
| Polytherses linguiformis Duchassaing & Michelotti, 1864 | Ircinia strobilina | 75097 |
| Ircinia longispina Duchassaing & Michelotti, 1864 | Ircinia strobilina | 75097 |
| Polytherses longispina Duchassaing & Michelotti, 1864 | Ircinia strobilina | 75097 |
| Ircinia lowi Kelly & Thacker, 2021 | Ircinia lowi | 3477 |
| Sarcotragus muscarum Schmidt, 1864 | Sarcotragus foetidus | 3477 |
| Ircinia mutans Wilson, 1925 | Ircinia mutans | 3125 |
| Hircinia nigra Hyatt, 1877 | Ircinia felix | 75097 |
| Ircinia nolanae Goodwin & Downey, 2021 | Ircinia nolanae | 3477 |
| Cacospongia oligoceras Poléjaeff, 1884 | Ircinia oligoceras | 3125 |
| Ircinia pinna Hentschel, 1912 | Ircinia pinna | 84290 |
| Ircinia polejaeffi Van Soest & Hooper, 2020 | Ircinia polejaeffi | 3477 |
| Ircinia radix Kelly & Thacker, 2021 | Ircinia radix | 3477 |
| Ircinia ramodigitata Burton, 1934 | Ircinia ramodigitata | 84290 |
| Hircinia ramosa Keller, 1889 | Ircinia ramosa | 75097 |
| Ircinia richardsoni Goodwin & Downey, 2021 | Ircinia richardsoni | 3477 |
| Ircinia ruetzleri Kelly & Thacker, 2021 | Ircinia ruetzleri | 3477 |
| Ircinia schulzei Dendy, 1905 | Ircinia schulzei | 84290 |
| Stematumenia scyphus Bowerbank, 1845 | Ircinia campana | 75097 |
| Ircinia simae Goodwin & Downey, 2021 | Ircinia simae | 3477 |
| Ircinia spiculosa Hentschel, 1912 | Ircinia spiculosa | 84290 |
| Sarcotragus spinosulus Schmidt, 1862 | Sarcotragus spinosulus | 3477 |
| Spongia strobilina Lamarck, 1816 | Ircinia strobilina | 75097 |
| Ircinia vansoesti Kelly & Thacker, 2021 | Ircinia vansoesti | 3477 |
| Filifera verrucosa Lieberkühn, 1859 | Ircinia strobilina | 75097 |
| Hircinia verrucosa Ferrer-Hernandez, 1914 | Ircinia strobilina | 75097 |