Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Pilematechinus vesica (A.Agassiz, 1879)	-61.35	-82.608	1963	10	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Urechinus mortenseni David & Mooi, 1990	-61.3367	-55.02	1966	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Scotia Ridge
Urechinus naresianus Agassiz, 1879	-55.025	-58.9	1962	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	south of Burdwood Bank
Urechinus mortenseni David & Mooi, 1990	-62.658	-56.15	1963	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, King George Island
Pilematechinus vesica (A.Agassiz, 1879)	-59.008	-70.708	1962	11	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Drake Passage
Urechinus mortenseni David & Mooi, 1990	-60.8	-44.225	1966	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Coronation Island
Urechinus mortenseni David & Mooi, 1990	-61.27	-56.18	1962	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Elephant Island
Pilematechinus vesica (A.Agassiz, 1879)	-58.3	-107.3	1966	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Pilematechinus vesica (A.Agassiz, 1879)	-62.15	-95.508	1966	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Pilematechinus vesica (A.Agassiz, 1879)	-63.9	-82.933	1963	10	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Urechinus mortenseni David & Mooi, 1990	-61.317	-56.158	1962	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Elephant Island
Pilematechinus vesica (A.Agassiz, 1879)	-70.275	-99.058	1964	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Ellsworth Land, Thurston Island
Urechinus drygalskii Mortensen, 1905	-55.1	-149.78	1964	11	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Urechinus mortenseni David & Mooi, 1990	-61.75	-55.917	1964	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Bransfield Strait, Gibbs Island, south of island
Pilematechinus vesica (A.Agassiz, 1879)	-61.358	-101.383	1966	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Pilematechinus vesica (A.Agassiz, 1879)	-58.992	-159.692	1964	8	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Pilematechinus vesica (A.Agassiz, 1879)	-57.783	-115.0	1964	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Urechinus Agassiz, 1879	-71.67	-15.58	1959	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Queen Maud Land, Cape Norvegia, West Of
Plexechinus nordenskioldi Mortensen, 1905	-60.6267	-46.9683	1989	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Inaccessible Island
Pilematechinus vesica (A.Agassiz, 1879)	-64.283	-130.15	1964	6	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology