Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Amphipneustes similis Mortensen, 1936	-64.7953	-64.1944	1982	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Anvers Island, Bismarck Strait
Amphipneustes similis Mortensen, 1936	-65.05	-63.9264	1983	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Wilhelm Archipelago, Booth Island, Lemaire Channel
Amphipneustes similis Mortensen, 1936	-64.8069	-64.1167	1982	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Anvers Island, Bismarck Strait
Amphipneustes similis Mortensen, 1936	-62.73	-62.2917	1966	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula
Amphipneustes similis Mortensen, 1936	-64.7897	-64.1131	1981	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Janus Island
Amphipneustes similis Mortensen, 1936	-60.85	-42.925	1964	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, east of islands
Amphipneustes similis Mortensen, 1936	-62.6917	-56.0292	1983	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Bridgeman Island
Amphipneustes similis Mortensen, 1936	-71.75	-15.6	1959	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Queen Maud Land, Cape Norvegia, West Of
Amphipneustes similis Mortensen, 1936	-64.7953	-64.1944	1982	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Anvers Island, Bismarck Strait
Amphipneustes similis Mortensen, 1936	-61.317	-56.158	1962	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Elephant Island
Amphipneustes similis Mortensen, 1936	-62.842	-60.625	1963	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Bransfield Strait, Deception Island
Amphipneustes similis Mortensen, 1936	-60.492	-47.525	1963	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands
Amphipneustes similis Mortensen, 1936	-61.317	-56.158	1962	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Elephant Island
Amphipneustes similis Mortensen, 1936	-63.225	-58.783	1963	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Bransfield Strait, Astrolabe Island
Amphipneustes similis Mortensen, 1936	-63.2783	-59.7433	1966	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Bransfield Strait, Tower Island, North Of
Amphipneustes similis Mortensen, 1936	-75.74963	-31.2636	2012	2	preserved specimen	East Weddell Sea echinoids from the JR275 expedition
Amphipneustes similis Mortensen, 1936	-75.7406	-31.23803	2012	2	preserved specimen	East Weddell Sea echinoids from the JR275 expedition
Amphipneustes similis Mortensen, 1936	-75.74963	-31.2636	2012	2	preserved specimen	East Weddell Sea echinoids from the JR275 expedition
Amphipneustes similis Mortensen, 1936	-75.24344	-30.24534	2012	2	preserved specimen	East Weddell Sea echinoids from the JR275 expedition
Amphipneustes similis Mortensen, 1936	-75.26308	-31.12627	2012	2	preserved specimen	East Weddell Sea echinoids from the JR275 expedition