Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Echiurus antarcticus Spengel, 1912	-62.9783	-60.6133	1972	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Deception Island, Foster Bay
Protobonellia nikitini Murina, 1976	-62.042	-61.142	1962	8	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands
Sluiterina flabellorhynchum Murina, 1976	-65.617	-120.858	1964	6	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Echiurus antarcticus Spengel, 1912	-65.2333	-64.2583	1982	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Argentine Islands, Meek Channel
Echiurus antarcticus Spengel, 1912	-77.975	178.083	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land
Urechis chilensis (M.Müller, 1852)	-51.325	-68.858	1978	7	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Cabo Buen Tiempo, Rio Gallegos
Echiurus antarcticus Spengel, 1912	-64.2167	-61.09	1971	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Graham Land, Alcock Island, Danco Coast
Echiuroidea	-62.692	-56.183	1963	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, King George Island
Alomasoma belyaevi Zenkevitch, 1964	-62.667	-57.808	1963	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Penguin Island
Echiurus antarcticus Spengel, 1912	-62.94	-60.64	1971	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Deception Island
Echiuroidea	-60.792	-53.508	1964	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Clarence Island, NE of Island
Echiurus antarcticus Spengel, 1912	-62.9883	-60.61	1971	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Deception Island, Foster Bay
Sluiterina flabellorhynchum Murina, 1976	-55.025	-38.167	1963	8	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Georgia Island, west of island
Echiurus antarcticus Spengel, 1912	-78.283	-177.942	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Roosevelt Island, east of island
Echiurus antarcticus Spengel, 1912	-65.2333	-64.2583	1982	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Argentine Islands, Meek Channel
Echiurus antarcticus Spengel, 1912	-62.97	-60.67	1972	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Deception Island
Alomasoma belyaevi Zenkevitch, 1964	-61.733	-55.942	1964	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Bransfield Strait, Gibbs Island, south of island
Echiurus antarcticus Spengel, 1912	-62.9633	-60.685	1972	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Deception Island
Echiurus antarcticus Spengel, 1912	-78.3	-177.85	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Roosevelt Island, east of island
Echiurus antarcticus Spengel, 1912	-64.8954	-63.7444	1973	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Wilhelm Archipelago, Anvers Island, Bismarck Strait