| Nominal Species (n = 25) | Present allocation (n = 25) | Ref. |
|---|---|---|
| Iolanthe acanthonotus Beddard, 1886 | Acanthaspidia acanthonotus | 3477 |
| Ianthopsis beddardi Kussakin & Vasina, 1982 | Ianthopsis beddardi | 19 |
| Acanthaspidia bifurcata Menzies, 1962 | Acanthaspidia bifurcata | 19 |
| Acanthaspidia bifurcatoides Vasina & Kussakin, 1982 | Acanthaspidia bifurcatoides | 19 |
| Ianthopsis certus Kussakin & Vasina, 1982 | Ianthopsis certus | 19 |
| Acanthaspidia curtispinosa Vasina & Kussakin, 1982 | Acanthaspidia curtispinosa | 19 |
| Acanthaspidia drygalskii Vanhoffen, 1914 | Acanthaspidia drygalskii | 19 |
| Acanthaspidia hanseni Birstein, 1963 | Acanthaspidia hanseni | 19 |
| Acanthaspidia iolanthoidea Vasina & Kussakin, 1982 | Acanthaspidia iolanthoidea | 19 |
| Mexicope kensleyi Hooker, 1985 | Mexicope kensleyi | 3113 |
| Acanthaspidia laevis Chardy, 1978 | Acanthaspidia laevis | 19 |
| Ianthopsis laevis Menzies, 1962 | Ianthopsis laevis | 19 |
| Acanthaspidia longiramosa Vasina & Kussakin, 1982 | Acanthaspidia longiramosa | 19 |
| Ianthopsis monodi Nordenstam, 1933 | Ianthopsis monodi | 19 |
| Ianthopsis multispinosa Vanhoffen, 1914 | Ianthopsis multispinosa | 19 |
| Acanthaspidia namibia Brandt, 2001 | Acanthaspidia namibia | 3113 |
| Ianthopsis nasicornis Vanhoffen, 1914 | Ianthopsis nasicornis | 19 |
| Ianthopsis nodosa Vanhoffen, 1914 | Ianthopsis nodosa | 19 |
| Acanthaspidia porrecta Menzies & Schultz, 1967 | Acanthaspidia porrecta | 19 |
| Ianthopsis ruseri Vanhoffen, 1914 | Ianthopsis ruseri | 19 |
| Ianthopsis studeri Kussakin & Vasina, 1982 | Ianthopsis studeri | 19 |
| Acanthaspidia sulcatacornia Menzies & Schultz, 1967 | Acanthaspidia sulcatacornia | 19 |
| Mexicope sushara Bruce, 2004 | Mexicope sushara | 3113 |
| Ianthopsis vanhoeffeni Just, 2001 | Ianthopsis vanhoeffeni | 3113 |
| Mexicope westralia Just, 2001 | Mexicope westralia | 3113 |