Type species: Beania mirabilis Johnston 1840
This genus includes the species:
| Beania alaskensis | Osburn, 1950 | Recent | Alaska |
| Beania aspinosa | Liu, 1984 | Recent | China |
| Beania asymmetrica | Harmer, 1926 | Recent | Indonesia |
| Beania australopacifica | Tilbrook, 2006 | Recent | Australia, Solomon Is. |
| Beania bermudezi | Lagaaij, 1968 | Eocene | Cuba |
| Beania bilaminata | (Hincks, 1881) | Recent | New Zealand, Kermadec I. |
| Beania challengeri | Hastings, 1943 | Recent | Kerguelen |
| Beania columbiana | O'Donoghue, 1923 | Recent | NE Pacific |
| Beania conferta | MacGillivray, 1886 | Recent | Australia |
| Beania cookae | Tilbrook, Hayward & Gordon, 2001 | Recent | Vanuatu, Australia (GBR) |
| Beania costata | (Busk, 1879) | Recent | Kerguelen I. |
| Beania cribrimorpha | Gordon, 1984 | Recent | New Zealand, Kermadec I. |
| Beania crotali | (Busk, 1852) | Recent | Australia |
| Beania cupulariensis | Osburn, 1914 | Recent | Florida |
| Beania cylindrica | (Hincks, 1886) | Recent | Mediterranean |
| Beania decumbens | MacGillivray, 1882 | Recent | Australia, New Zealand |
| Beania diademata | Cheetham, 1972 | Eocene | Tonga |
| Beania discodermiae | Ortmann, 1890 | Recent | Japan, South Pacific |
| Beania discodermiae boninensis | Silen, 1941 | Recent | Japan |
| Beania distans | (Hincks, 1881) | Recent | S. Africa |
| Beania elongata | (Hincks, 1885) | Recent | New Zealand, Kernadec I. |
| Beania erecta | Waters, 1904 | Recent | Antarctic |
| Beania erecta livingstonei | Hastings, 1943 | Recent | Antarctic |
| Beania farreae | Liu, 1982 | Recent | China |
| Beania fragilis | (Ridley, 1881) | Recent | S. Atlantic |
| Beania gigantavicularis | Gordon, 1984 | Recent | Kermadec I. |
| Beania hexaceras | (Ortmann, 1890) | Recent | Japan |
| Beania hexamicorum | Tilbrook, Hayward & Gordon, 2001 | Recent | Vanuatu, Mauritius |
| Beania hirtissima | (Heller, 1867) | Recent | Atlantic |
| Beania hirtissima cylindrica | (Hincks, 1886) | Recent | Mediterranean |
| Beania inermis | Busk, 1852 | Recent | Kerguelen I. |
| Beania inermis cryptophragma | Gordon, 1986 | Recent | New Zealand |
| Beania intermedia | (Hincks, 1882) | Recent | Autralia, New Zealand, Red Sea, West Atlantic |
| Beania intermedia kiiensis | Mawatari, 1952 | Recent | Japan |
| Beania klugei | Cook, 1968 | Recent | Atlantic |
| Beania lagenula | Tilbrook, 2006 | Recent | Australia, Indo-Pacific |
| Beania magellanica | (Busk, 1852) | Recent | Widespread |
| Beania maxilla | (Jullien, 1888) | Recent | Argentina |
| Beania mirabilis | Johnston, 1840 | Recent | Europe, Atlantic, Indo-Pacific |
| Beania multispinosa | Gontar, 1993 | Recent | Russia |
| Beania nobilis | (Hincks, 1891) | Recent | S. Africa |
| Beania octaceras | Okada & Mawatari, 1938 | Recent | Japan |
| Beania ostia | Robertson, 1921 | Recent | India |
| Beania paucispinosa | O'Donoghue & de Watteville, 1935 | Recent | S. Africa |
| Beania pectinata (Stolonella?) | Hayward & Ryland, 1995 | Recent | Australia (GBR) |
| Beania petiolata | Harmer, 1926 | Recent | Indonesia |
| Beania plurispinosa | Uttley & Bullivant, 1972 | Recent | New Zealand, Kermadec I., Australia |
| Beania proboscidea | Gordon, 1986 | Recent | New Zealand |
| Beania pseudocolumbiana | Gontar, 1993 | Recent | Russia |
| Beania pulchella | Livingstone, 1929 | Recent | New Zealand |
| Beania quadricornuta | (Hincks, 1885) | Recent | New Zealand, Australia |
| Beania rediviva | Hayward & Cook, 1983 | Recent | S. Africa |
| Beania regularis | Thornely, 1916 | Recent | Indo-Pacific |
| Beania scotti | Hastings, 1943 | Recent | Antarctic |
| Beania spinigera | (MacGillivray, 1860) | Recent | Australia |
| Beania stonycha | Gordon, 1986 | Recent | New Zealand |
| Beania thula | Hayward, 1994 | Recent | Faroe I. |
| Beania trampida | Gordon, 1988 | Recent | New Zealand |
| Beania uniarmata | O'Donoghue & de Watteville, 1944 | Recent | S. Africa |
| Beania vegae | Silen, 1941 | Recent | Japan |
| Beania wilsoni | MacGillivray, 1885 | Recent | Australia |
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| Beania conferta | Beania crotali | Beania magellanica | Beania plurispinosa |
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| Beania quadrispinosa | Beania spinigera |