| Scientific name | Latitude | Longitude | Year | Month | Basis of record | Dataset | Institution code | Collection code | Locality |
|---|---|---|---|---|---|---|---|---|---|
| Cephalodiscus nigrescens Lankester, 1905 | -76.15 | -165.117 | 1968 | 2 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | center of sea |
| Cephalodiscus densus Andersson, 1907 | -66.366 | 110.499 | 1961 | 12 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Wilkes Land, Budd Coast, Wilkes Station |
| Cephalodiscus fumosus John, 1931 | -72.308 | 170.425 | 1967 | 1 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Victoria Land, Moubray Bay, Cape Hallett |
| Cephalodiscus fumosus John, 1931 | -77.67 | -35.5 | 1959 | 1 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Coats Land, Vahsel Bay, Off Duke Ernst Bay |
| Cephalodiscus nigrescens Lankester, 1905 | -77.67 | -35.5 | 1959 | 1 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Coats Land, Vahsel Bay, Off Duke Ernst Bay |
| Cephalodiscus hodgsoni Ridewood, 1907 | -66.3567 | -66.7725 | 1973 | 3 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Antarctic Peninsula, Biscoe Islands, Lavoisier Island, Matha Strait, east SE of Island |
| Cephalodiscus M'Intosh, 1882 | -66.349 | 110.46 | 1961 | 12 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Wilkes Land, Budd Coast, Wilkes Station |
| Cephalodiscus densus Andersson, 1907 | -64.0375 | -64.1125 | 1972 | 3 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Antarctic Peninsula, Palmer Archipelago, Janus Island, SW of island |
| Cephalodiscus fumosus John, 1931 | -73.367 | 177.65 | 1967 | 1 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Victoria Land |
| Cephalodiscus hodgsoni Ridewood, 1907 | -65.7517 | -65.0667 | 1973 | 3 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Antarctic Peninsula, Biscoe Islands, Grandidier Channel, Duchaylard Island, SE of island |
| Cephalodiscus fumosus John, 1931 | -77.67 | -35.5 | 1959 | 1 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Coats Land, Vahsel Bay, Off Duke Ernst Bay |
| Cephalodiscus densus Andersson, 1907 | -77.43 | 169.52 | 1956 | 2 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Victoria Land, Mcmurdo Sound |
| Cephalodiscus hodgsoni Ridewood, 1907 | -77.6467 | 165.878 | 1957 | 12 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Victoria Land, Mcmurdo Sound |
| Cephalodiscus hodgsoni Ridewood, 1907 | -64.78 | -63.4883 | 1970 | 3 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Antarctic Peninsula, Palmer Archipelago, Goudier Island, Port Lockroy |
| Cephalodiscus fumosus John, 1931 | -77.67 | -35.5 | 1959 | 1 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Coats Land, Vahsel Bay, Off Duke Ernst Bay |
| Cephalodiscus nigrescens Lankester, 1905 | -77.43 | 163.83 | 1958 | 2 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Victoria Land, Mcmurdo Sound, About 2 Miles Near Cape Bernacchi |
| Cephalodiscus kempi John, 1931 | -53.5967 | -37.5867 | 1975 | 5 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | South Georgia Island, off SE end of Island |
| Cephalodiscus hodgsoni Ridewood, 1907 | -71.67 | -15.58 | 1959 | 1 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Queen Maud Land, Cape Norvegia, West Of |
| Cephalodiscus M'Intosh, 1882 | -65.7517 | -65.0667 | 1973 | 3 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Antarctic Peninsula, Biscoe Islands, Grandidier Channel, Duchaylard Island, SE of island |
| Cephalodiscus hodgsoni Ridewood, 1907 | -77.5 | 166.07 | 1956 | 10 | preserved specimen | NMNH Extant Specimen Records | USNM | Invertebrate Zoology | Victoria Land, Mcmurdo Sound, Between Cape Royds And Cape Evans |