Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
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 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 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 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 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 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 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 hodgsoni Ridewood, 1907	-76.383	-163.458	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Cape Colbeck, NW of cape
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 hodgsoni Ridewood, 1907	-71.4583	169.925	1959	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Robertson Bay
Cephalodiscus hodgsoni Ridewood, 1907	-62.6917	-56.0292	1983	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Bridgeman Island
Cephalodiscus hodgsoni Ridewood, 1907	-77.43	169.52	1956	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Mcmurdo Sound
Cephalodiscus hodgsoni Ridewood, 1907	-77.6567	166.27	1960	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Mcmurdo Sound
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 hodgsoni Ridewood, 1907	-65.0108	-63.8544	1973	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Wilhelm Archipelago, Lemaire Channel
Cephalodiscus hodgsoni Ridewood, 1907	-64.96	-63.6217	1981	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Wednesday Island, Butler Passage, SE Of Island, Edge Of Passage
Cephalodiscus hodgsoni Ridewood, 1907	-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 hodgsoni Ridewood, 1907	-66.366	110.499	1961	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Wilkes Land, Budd Coast, Wilkes Station
Cephalodiscus hodgsoni Ridewood, 1907	-77.43	169.52	1956	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Mcmurdo Sound