Type species: Smittoidea prolifica Osburn, 1952
This genus includes the species:
| (Harmer, 1957) | Recent | Indonesia | WoRMS 470569 | |
| Hayward & Taylor, 1984 | Recent | Antarctic | WoRMS 174398 | |
| Hayward, 1979 | Recent | Atlantic NE | WoRMS 111566 | |
| (Bronn, 1838) | Paleogene Eocene-Oligocene | Germany | WoRMS 1413773 | |
| (Maplestone, 1902) | Neogene Miocene | Australia SE | WoRMS 1413774 | |
| Hayward & Thorpe, 1990 | Recent | Atlantic SW | WoRMS 470575 | |
| Hayward & Cook, 1983 | Recent | S. Africa | WoRMS 470575 | |
| (MacGillivray, 1887) | Recent, Miocene? | Australia SE | WoRMS 470571 | |
| Hayward & Winston, 2011 | Recent | Antarctic | WoRMS 709374 | |
| (Hayward, 1988) | Recent | Mauritius | WoRMS 1454776 | |
| Souto, Berning & Ostrovsky, 2016 | Recent | Northeast Atlantic Spain | WoRMS 868426 | |
| Hayward & Cook, 1983 | Recent | S Africa | WoRMS 470572 | |
| Farias, Facelucia, Vieira & Almeida, 2020 | Recent | West Atlantic Brazil | WoRMS 1454773 | |
| (Waters, 1904) | Recent | Antarctica | WoRMS 174400 | |
| (Brown, 1952) | Paleogene Oligocene Rupelian | New Zealand | WoRMS 1547894 | |
| Hayward & Thorpe, 1990 | Recent | Atlantic SW | WoRMS 470576 | |
| Gordon, 1984 | Recent | New Zealand Kermadec I. | WoRMS 470564 | |
| Tilbrook, 2006 | Recent | Solomon Islands | WoRMS 470585 | |
| Powell, 1967 | Recent | New Zealand | WoRMS 470568 | |
| Hayward & Cook, 1983 | Recent | S Africa | WoRMS 470573 | |
| (Marcus, 1937) | Recent | Brazil | WoRMS 470582 | |
| (Reuss, 1864) | Paleogene Eocene | Germany, Austria, Hungary | WoRMS 1413775 | |
| Hayward, 1994 | Recent | Atlantic N. Faroe I. | WoRMS 111567 | |
| Hara, 2001 | Paleogene Eocene | Antarctica Seymour Is, | WoRMS 1408406 | |
| (Canu & Lecointre, 1925) | Neogene Miocene Tortonian | France | WoRMS 1413776 | |
| (Gordon, 1984) | Recent | Kermadec Ridge | WoRMS 722997 | |
| (Waters, 1900) | Recent | Arctic | WoRMS 111568 | |
| Winston & Jackson, 2021 | Recent | Caribbean Jamaica | WoRMS 1516158 | |
| Figuerola, Gordon & Cristobo, 2018 | Recent | Southwest Atlantic | WoRMS 1055892 | |
| (O'Donoghue, 1924) | Recent | S Africa | WoRMS 470583 | |
| Gordon, 1984 | Recent | New Zealand Kermadec I. | WoRMS 470565 | |
| Hayward & Ryland, 1995 | Recent | Australia GBR | WoRMS 470563 | |
| (Kirkpatrick, 1890) | Recent | Australia Qld | WoRMS 220628 | |
| Di Martino, Rosso, and Taylor, 2025 | Holocene | Northwest Pacific Japan Okinawa | WoRMS 1797469 | |
| (Harmer, 1957) | Recent | Indonesia | WoRMS 470570 | |
| Gordon, 1984 | Recent | New Zealand Kermadec Ridge | WoRMS 470566 | |
| (Canu & Bassler, 1923) | Neogene Pliocene-Pleistocene | USA Florida | WoRMS 1413777 | |
| Hayward & Thorpe, 1989 | Recent | Antarctica | WoRMS 174401 | |
| (Canu & Bassler, 1929) | Recent | Pacific west Philippines | WoRMS 1454777 | |
| (Hincks, 1877) | Recent | Atlantic NE, Mediterranean | WoRMS 111569 | |
| Hayami, 1975 | Neogene Pliocene | Japan | WoRMS 1408407 | |
| (Waters, 1906) | Recent | New Zealand, Australia | WoRMS 470561 | |
| Gordon & d'Hondt, 1997 | Recent | Pacific New Caledonia | WoRMS 472722 | |
| Hayward, 1994 | Recent | Atlantic N. Faroe I. | WoRMS 111570 | |
| Hayami, 1975 | Neogene Pliocene-Pleistocene | Japan | WoRMS 1408408 | |
| (Marcus, 1949) | Recent | Brazil | WoRMS 988065 | |
| (Waters, 1879) | Recent | Mediterranean | WoRMS 111571 | |
| (Busk, 1884) | Recent | Atlantic Cape Verde Is. | WoRMS 1749348 | |
| Rogick, 1956 | Recent | Antarctica | WoRMS 174404 | |
| (Soule & Soule, 1973) | Recent | Hawaii | WoRMS 1454780 | |
| Hayward & Thorpe, 1990 | Recent | Atlantic SW | WoRMS 470577 | |
| Soule & Soule, 1973 | Recent | Hawai'i | WoRMS 470562 | |
| (Canu & Bassler, 1935) | Neogene Miocene | Australia SE | WoRMS 1413778 | |
| (Moyano, 1982) | Recent | Chile | WoRMS 1454778 | |
| d'Hondt & Mascarell, 2004 | Recent | Atlantic | WoRMS 221570 | |
| Osburn, 1952 | Recent | Eastern Pacific, Northeast Atlantic | WoRMS 396735 | |
| (Smitt, 1868) | Recent | Arctic | WoRMS 111572 | |
| Hayward & Thorpe, 1989 | Recent | Antarctica | WoRMS 174406 | |
| Winston & Woollacott, 2009 | Recent | West Atlantic - Barbados | WoRMS 534174 | |
| (J.MacGillivray, 1842) | Recent | Atlantic NE | WoRMS 111573 | |
| (Sakakura, 1935) | Recent, Pleistocene | Japan | WoRMS 1043843 | |
| Sakakura, 1938 | Pleistocene | Japan | WoRMS 1415043 | |
| Hayward & Thorpe, 1990 | Recent | Antarctica | WoRMS 174408 | |
| (Liu, 1990) | Recent | China | WoRMS 470579 | |
| Hu, 1986 | Pleistocene | Taiwan | WoRMS 1408409 | |
| (Busk, 1884) | Recent | Australia East coast | WoRMS 557323 | |
| (Waters, 1904) | Recent | Antarctica | WoRMS 470584 | |
| (Canu, 1908) | Paleogene Eocene | Europe W | WoRMS 1413779 | |
| (Brown, 1952) | Recent Oligocene, Pliocene |
New Zealand Kermadec Ridge New Zealand |
WoRMS 470567 |
![]() |
![]() |
| Smittoidea ophidiana (Thanks to B. Berning) |
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.
Smittoidea glaciata at Atlas of Arctic Bryozoa - Piotr Kuklinski.
Smittoidea reticulata at Atlas of Arctic Bryozoa - Piotr Kuklinski.