List of Nominal Species of Theonellidae
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| Nominal Species (n = 40) | Present allocation (n = 34) | Ref. |
|---|---|---|
| Discodermia aspera Carter, 1880 | Discodermia aspera | 19 |
| Racodiscula asteroides Zittel, 1878 | Racodiscula asteroides | 3477 |
| Discodermia calyx Döderlein, 1884 | Discodermia calyx | 19 |
| Discodermia claviformis Kieschnick, 1896 | Discodermia claviformis | 81807 |
| Discodermia conica Kieschnick, 1896 | Theonella conica | 81807 |
| Theonella cupola Burton, 1928 | Theonella cupola | 81807 |
| Theonella cylindrica Wilson, 1925 | Theonella cylindrica | 81807 |
| Discodermia discifurca Sollas, 1888 | Discodermia discifurca | 19 |
| Discodermia dissoluta Schmidt, 1880 | Discodermia dissoluta | 19 |
| Discodermia dubia Vacelet & Vasseur, 1971 | Discodermia dubia | 19 |
| Discodermia emarginata Dendy, 1905 | Discodermia emarginata | 81807 |
| Discodermia emarginata var. lamellaris Wilson, 1925 | Discodermia emarginata | 81807 |
| Discodermia gorgonoides Burton, 1928 | Discodermia gorgonoides | 81807 |
| Theonella incerta Thiele, 1900 | Theonella incerta | 81807 |
| Collinella inscripta Schmidt, 1879 | Discodermia inscripta | 75097 |
| Theonella invaginata Wilson, 1925 | Theonella invaginata | 81807 |
| Discodermia irregularis Hoshino, 1976 | Discodermia irregularis | 19 |
| Discodermia japonica Döderlein, 1884 | Discodermia japonica | 81807 |
| Discodermia kiiensis Hoshino, 1977 | Discodermia kiiensis | 19 |
| Theonella lacerata Lendenfeld, 1907 | Theonella lacerata | 81807 |
| Discodermia laevidiscus Carter, 1880 | Discodermia laevidiscus | 19 |
| Theonella levior Lendenfeld, 1907 | Theonella levior | 81807 |
| Manihinea lynbeazleyae Fromont & Pisera, 2011 | Manihinea lynbeazleyae | 89664 |
| Discodermia natalensis Kirkpatrick, 1903 | Discodermia natalensis | 19 |
| Racodiscula nucerium Schmidt, 1879 | Racodiscula asteroides | 3477 |
| Discodermia ornata Sollas, 1888 | Discodermia ornata | 19 |
| Discodermia panoplia Sollas, 1888 | Discodermia panoplia | 19 |
| Discodermia papillata Carter, 1880 | Discodermia papillata | 19 |
| Corallistes polydiscus sensu Schmidt, 1870 | Racodiscula asteroides | 3477 |
| Dactylocalyx polydiscus Bowerbank, 1869 | Discodermia polydiscus | 75097 |
| Dactylocalyx pratti Bowerbank, 1869 | Theonella swinhoei | 81807 |
| Discodermia proliferans Lévi & Lévi, 1983 | Discodermia proliferans | 3477 |
| Theonella pulchrifolia Dendy, 1922 | Theonella pulchrifolia | 81807 |
| Discodermia ramifera Topsent, 1892 | Discodermia ramifera | 19 |
| Discodermia sinuosa Carter, 1881 | Discodermia sinuosa | 19 |
| Discodermia stylifera Keller, 1891 | Discodermia stylifera | 19 |
| Theonella swinhoei Gray, 1868 | Theonella swinhoei | 81807 |
| Theonella swinhoei var. verrucosa Wilson, 1925 | Theonella swinhoei | 84290 |
| Discodermia tuberosa Dendy, 1922 | Discodermia tuberosa | 81807 |
| Desmahabana violacea Alcolado & Gotera, 1986 | Discodermia dissoluta | 75097 |