(Thanks to Dr D. Soule)
Type species: Smittoidea prolifica Osburn, 1952
This genus includes the species:
| Smittoidea? acutodentata | (Harmer, 1957) | Recent | Indonesia |
| Smittoidea albula | Hayward & Taylor, 1984 | Recent | Antarctic |
| Smittoidea amplissima | Hayward, 1979 | Recent | Atlantic NE |
| Smittoidea angulata | (Bronn, 1838) | Paleogene Eocene-Oligocene | Germany |
| Smittoidea bisinuata | (Maplestone, 1902) | Neogene Miocene | Australia SE |
| Smittoidea bulbosa | Hayward & Thorpe, 1990 | Recent | Atlantic SW |
| Smittoidea calcarata | Hayward & Cook, 1983 | Recent | S. Africa |
| Smittoidea calceolus | (MacGillivray, 1887) | Recent, Miocene? | Australia SE |
| Smittoidea circumornata | (Reuss, 1848) | Neogene Miocene, Eocene | Austria, Hungary |
| Smittoidea circumspecta | Hayward & Cook, 1983 | Recent | S Africa |
| Smittoidea conspicua | (Waters, 1904) | Recent | Antarctica |
| Smittoidea cribrooecia | Hayward & Thorpe, 1990 | Recent | Atlantic SW |
| Smittoidea curtisensis | Gordon, 1984 | Recent | New Zealand Kermadec I. |
| Smittoidea dentio | Tilbrook, 2006 | Recent | Solomon Islands |
| Smittoidea discoveriae | Powell, 1967 | Recent | New Zealand |
| Smittoidea errata | Hayward & Cook, 1983 | Recent | S Africa |
| Smittoidea evelinae | (Marcus, 1937) | Recent | Brazil |
| Smittoidea excentrica | (Reuss, 1864) | Paleogene Eocene | Germany, Austria, Hungary |
| Smittoidea exilis | Hayward, 1994 | Recent | Atlantic N. Faroe I. |
| Smittoidea gazdzickii | Hara, 2001 | Paleogene Eocene | Antarctica Seymour Is, |
| Smittoidea gibbera | (Canu & Lecointre, 1925) | Neogene Miocene | France |
| Smittoidea glaciata | (Waters, 1900) | Recent | Arctic |
| Smittoidea hexagonalis | (O'Donoghue, 1924) | Recent | S Africa |
| Smittoidea hyalina | Gordon, 1984 | Recent | New Zealand Kermadec I. |
| Smittoidea incucula | Hayward & Ryland, 1995 | Recent | Australia GBR |
| Smittoidea levis | (Kirkpatrick, 1890) | Recent | Australia Qld |
| Smittoidea livingstonei | Powell, 1967 | Recent | New Zealand |
| Smittoidea longiuscula | (Harmer, 1957) | Recent | Indonesia |
| Smittoidea magna | Gordon, 1984 | Recent | New Zealand Kermadec Ridge |
| Smittoidea malleata | Hayward & Thorpe, 1989 | Recent | Antarctica |
| Smittoidea marmorea | (Hincks, 1877) | Recent | Atlantic NE, Mediterranean |
| Smittoidea matobai | Hayami, 1975 | Neogene Pliocene | Japan |
| Smittoidea maunganuiensis | (Waters, 1906) | Recent | New Zealand, Australia |
| Smittoidea maunganuiensis multiporosa | Gordon & d'Hondt, 1997 | Recent | Pacific New Caledonia |
| Smittoidea microoecia | Hayward, 1994 | Recent | Atlantic N. Faroe I. |
| Smittoidea notoensis | Hayami, 1975 | Neogene Pliocene-Pleistocene | Japan |
| Smittoidea ophidiana | (Waters, 1879) | Recent | Mediterranean |
| Smittoidea ornatipectoralis | Rogick, 1956 | Recent | Antarctica |
| Smittoidea pachydermata | Hayward & Thorpe, 1990 | Recent | Atlantic SW |
| Smittoidea pacifica | Soule & Soule, 1973 | Recent | Hawai'i |
| Smittoidea perforata | (Canu & Bassler, 1935) | Neogene Miocene | Australia SE |
| Smittoidea perrieri | (Jullien, 1882) | Recent | Atlantic |
| Smittoidea pourquoipasi | d'Hondt & Mascarell, 2004 | Recent | Atlantic |
| Smittoidea prolifica | Osburn, 1952 | Recent | Eastern Atlantic |
| Smittoidea propinqua | (Smitt, 1868) | Recent | Arctic |
| Smittoidea pugiuncula | Hayward & Thorpe, 1989 | Recent | Antarctica |
| Smittoidea reticulata | (J.MacGillivray, 1842) | Recent | Atlantic NE |
| Smittoidea reticulata ascoporoides | (Sakakura, 1935) | Recent, Pleistocene | Japan |
| Smittoidea reticulata okadai | Sakakura, 1938 | Pleistocene | Japan |
| Smittoidea rhynchota | Hayward & Thorpe, 1990 | Recent | Antarctica |
| Smittoidea sigillata | (Jullien, 1888) | Recent Miocene? |
Atlantic Argentina |
| Smittoidea spinigera | (Liu, 1990) | Recent | China |
| Smittoidea taiwanica | Hu, 1986 | Pleistocene | Taiwan |
| Smittoidea transporifera | Powell, 1967 | Recent | New Zealand |
| Smittoidea tripora | (Waters, 1904) | Recent | Antarctica |
| Smittoidea variabilis | (Canu, 1908) | Paleogene Eocene | Europe W |
| Smittoidea zealandiae | (Brown, 1952) | Recent Oligocene, Pliocene |
New Zealand Kermadec Ridge New Zealand |
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| Smittoidea pacifica (Thanks to Dr D. Soule) |
Smittoidea page at NMITA
Smittoidea prolifica - from San Francisco, at the California Academy of Sciences.
Smittoidea prolifica - from the California Biota Website.
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