| Anaperus australis Westblad, 1952 | 1903 or earlier | | | |
| Plagiostomum falklandicum Westblad, 1952 | 1903 or earlier | | | |
| Stylostomum ellipse (Dalyell, 1853) | 1903 or earlier | | | |
| Stylochoides albus Hallez, 1905 | 1903 or earlier | | | |
| Dolichomacrostomum mortenseni Marcus, 1950 | 1903 or earlier | | | |
| Enterostomula dura (Fuhrmann, 1896) | 1903 or earlier | | | |
| Trigonostomum setigerum Schmidt, 1852 | 1903 or earlier | | | |
| Brinkmanniella falklandica Westblad, 1952 | 1903 or earlier | | | |
| Monocelis tabira Marcus, 1950 | 1903 or earlier | | | |
| Mesoda gabriellae Marcus, 1949 | 1903 or earlier | | | |
| Coleophora sp. (Westblad, 1952) | 1903 or earlier | | | |
| Austrorhynchus pectatus Karling, 1952 | May 2, 1902 | 1-16 m | sand, shell | |
| Falkla bacillata Karling, 1952 | 1903 or earlier | 1 m | | Falkland Islands, Carneigie Creek, sand with Codium. (SMNHI No. 2718, leg. Swedish Antarctic Exp. 1901-1903. |