Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
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
Cephalodiscus nigrescens Lankester, 1905	-66.1283	-66.59	1982	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Biscoe Islands, Lavoisier Island
Cephalodiscus hodgsoni Ridewood, 1907	-63.225	-58.783	1963	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Bransfield Strait, Astrolabe Island
Cephalodiscus M'Intosh, 1882	-53.108	-59.458	1962	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Beauchene Island
Cephalodiscus hodgsoni Ridewood, 1907	-74.65	165.87	1958	11	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Borchgrevink Coast, Cape Washington
Cephalodiscus M'Intosh, 1882	-76.0	172.067	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land
Cephalodiscus densus Andersson, 1907	-76.12	-170.198	1972	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Cephalodiscus M'Intosh, 1882	-73.975	170.908	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land
Cephalodiscus M'Intosh, 1882	-66.2204	110.637	1961	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Wilkes Land, Budd Coast, Wilkes Station
Cephalodiscus hodgsoni Ridewood, 1907	-76.383	-163.458	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Cape Colbeck, NW of cape
Cephalodiscus M'Intosh, 1882	-66.366	110.499	1961	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Wilkes Land, Budd Coast, Wilkes Station
Cephalodiscus nigrescens Lankester, 1905	-71.3	-13.53	1956	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Queen Maud Land, Cape Norvegia, West Of
Cephalodiscus densus Andersson, 1907	-72.13	172.17	1958	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Mcmurdo Sound, Cape Hallett, E Of Cape Hallett
Cephalodiscus M'Intosh, 1882	-76.035	-179.95	1972	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Moubray Pennell Bank
Cephalodiscus hodgsoni Ridewood, 1907	-72.308	170.425	1967	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Moubray Bay, Cape Hallett
Cephalodiscus M'Intosh, 1882	-54.6467	-38.855	1975	6	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Georgia Island, south side of island
Cephalodiscus densus Andersson, 1907	-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	-71.4583	169.925	1959	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Robertson Bay
Cephalodiscus M'Intosh, 1882	-62.233	-58.283	1963	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, King George Island