| Nominal Species (n = 50) | Present allocation (n = 47) | Ref. |
|---|---|---|
| Parasmittina alitis Winston & Jackson, 2021 | Parasmittina alitis | 3477 |
| Smittina alticollarita Rogick, 1956 | Smittina alticollarita | 3477 |
| Parasmittina amazonensis Ramalho & Moraes, 2021 | Parasmittina amazonensis | 3477 |
| Pseudoflustra anderssoni Kluge, 1946 | Pseudoflustra anderssoni | 19 |
| Smittina anecdota Hayward & Thorpe, 1990 | Smittina anecdota | 3477 |
| Smittina aviculata Mawatari, 1952 | Parasmittina delicatula | 75097 |
| Smittina beringia Kluge, 1952 | Smittina beringia | 19 |
| Parasmittina betamorphaea Winston, 2005 | Parasmittina betamorphaea | 3477 |
| Pseudoflustra birulai Kluge, 1929 | Pseudoflustra birulai | 19 |
| Parasmittina cyclops Winston & Jackson, 2021 | Parasmittina cyclops | 3477 |
| Mucronella delicatula Busk, 1884 | Parasmittina delicatula | 75097 |
| Parasmittina dubitata Hayward, 1980 | Parasmittina dubitata | 1202 |
| Parasmittina eccentrica Winston & Jackson, 2021 | Parasmittina eccentrica | 3477 |
| Palmicellaria elegans Alder, 1864 | Palmicellaria elegans | 19 |
| Parasmittina erecta Gordon & d'Hondt, 1997 | Parasmittina erecta | 3477 |
| Hippadenella falklandensis Hayward, 1991 | Hippadenella falklandensis | 1202 |
| Aimulosia floridana Osburn, 1947 | Aimulosia floridana | 3477 |
| Smittoidea gladiatoria Winston & Jackson, 2021 | Smittoidea gladiatoria | 3477 |
| Pseudoflustra hincksi Kluge, 1946 | Pseudoflustra hincksi | 1398 |
| Smittina incernicula Hayward & Thorpe, 1990 | Smittina incernicula | 3477 |
| Parasmittina indigenella Winston & Jackson, 2021 | Parasmittina indigenella | 3477 |
| Smittina insulata Hayward & Thorpe, 1990 | Smittina insulata | 1202 |
| Lepralia jeffreysi Norman, 1876 | Parasmittina jeffreysi | 75097 |
| Smittina jeffreysi Norman, 1903 | Parasmittina jeffreysi | 3477 |
| Smittina jullieni Moyano, 1983 | Smittina jullieni | 1202 |
| Lepralia landsborovii Johnston, 1847 | Smittina landsborovii | 75097 |
| Smittina leptodentata Hayward & Thorpe, 1990 | Smittina leptodentata | 1202 |
| Parasmittina luteoserrula Winston & Jackson, 2021 | Parasmittina luteoserrula | 3477 |
| Emballotheca monomorpha Gordon, 1984 | Thrypticocirrus monomorpha | 19 |
| Smittina muliebris Kluge, 1962 | Smittina muliebris | 19 |
| Smittina pliofistulata Hayward & Thorpe, 1990 | Smittina pliofistulata | 1202 |
| Smittina portiuscula Hayward & Thorpe, 1990 | Smittina portiuscula | 1202 |
| Smittina pseudoacutirostris Gostilovskaya, 1957 | Smittina pseudoacutirostris | 19 |
| Lepralia reticulata Macgillivray, 1842 | Smittina reticulata | 75097 |
| Thrypticocirrus rogickae Hayward & Thorpe, 1988 | Thrypticocirrus rogickae | 3477 |
| Smittina rosacea Powell, 1967 | Smittina rosacea | 19 |
| Smittinella rubrilingulata Rogick, 1956 | Smittinella rubrilingulata | 3477 |
| Parasmittina serrula Soule & Soule, 1973 | Parasmittina serrula | 19 |
| Flustra solida Stimpson, 1854 | Pseudoflustra solida | 75097 |
| Parasmittina spiculata Gluhak, Lewis & Popijac, 2007 | Parasmittina spiculata | 8373 |
| Smittina spiraminifera Gordon, 1984 | Smittina spiraminifera | 19 |
| Smittina thompsoni Kluge, 1955 | Smittina thompsoni | 19 |
| Smittina torques Powell, 1967 | Smittina torques | 19 |
| Smittina tripora Canu & Bassler, 1929 | Smittina tripora | 8324 |
| Smittia tropica Waters, 1909 | Parasmittina tropica | 75097 |
| Smittina tuberosa Kluge, 1952 | Smittina tuberosa | 19 |
| Smittia tubula Kirkpatrick, 1888 | Parasmittina tubula | 75097 |
| Smittina unispinosa Waters, 1889 | Parasmittina delicatula | 75097 |
| Smittina uruguayensis d'Hondt, 1981 | Smittina uruguayensis | 1202 |
| Parasmittina veniliae Winston & Jackson, 2021 | Parasmittina veniliae | 3477 |