Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Antarctonemertes belgica (Bürger, 1904)	-64.8161	-63.5567	1971	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Wiencke Island, Port Lockroy
Amphiporus gerlachei Bürger, 1904	-68.5	-68.5	1948	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Land, Marguerite Bay
Paroerstedia	-54.9317	-35.83	1975	6	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Georgia Island, off SE end of Island
Tetrastemma validum Bürger, 1893	-68.5	-68.5	1948	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Land, Marguerite Bay, Along Shore Of An Island
Amphiporus spinosus Bürger, 1893	-62.017	-59.108	1963	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Smith Island, east of island
Amphiporus spinosus Bürger, 1893	-82.375	-168.625	1978	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Ross Ice Shelf, Under Ice Shelf
Tetrastemma amphiporoides Bürger, 1893	-68.78	-90.58	1948	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Ellsworth Land, Peter I Island
Amphiporus spinosus Bürger, 1893	-77.5	166.07	1948	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Mcmurdo Sound, Ross Island, Off Cape Royds
Tetrastemma validum Bürger, 1893	-68.5	-68.5	1948	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Land, Marguerite Bay, Along Shore Of An Island
Drepanophorus valdiviae	-69.8261	-77.8192	2003	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Tetrastemma duboisi Bürger, 1893	-62.2083	-58.94	1971	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, King George Island, Maxwell Bay, Ardley Island
Tetrastemma duboisi Bürger, 1893	-62.2083	-58.94	1971	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, King George Island, Maxwell Bay, Ardley Island
Amphiporus multihastatus Joubin, 1910	-71.3083	170.1	1912	1	human observation	British Antarctic (Terra Nova) Expedition, 1910-1913	NIWA	MBIS Terra Nova Expedition	off Cape Adare, mouth of Robertson's Bay
Amphiporus moseleyi Hubrecht, 1887	-71.3083	170.1	1912	1	human observation	British Antarctic (Terra Nova) Expedition, 1910-1913	NIWA	MBIS Terra Nova Expedition	off Cape Adare, mouth of Robertson's Bay
Prostoma unilineatum	-71.3083	170.1	1912	1	human observation	British Antarctic (Terra Nova) Expedition, 1910-1913	NIWA	MBIS Terra Nova Expedition	off Cape Adare, mouth of Robertson's Bay
Amphiporus moseleyi Hubrecht, 1887	-74.4167	179.05	1913	1	human observation	British Antarctic (Terra Nova) Expedition, 1910-1913	NIWA	MBIS Terra Nova Expedition	Ross Sea
Amphiporus multihastatus Joubin, 1910	-77.15	166.6667	1912	1	human observation	British Antarctic (Terra Nova) Expedition, 1910-1913	NIWA	MBIS Terra Nova Expedition	off Cape Bird Peninsula, entrance to McMurdo Sound
Amphiporus multihastatus Joubin, 1910	-77.7333	166.37	1911	2	human observation	British Antarctic (Terra Nova) Expedition, 1910-1913	NIWA	MBIS Terra Nova Expedition	off Glacier Tongue, about 8 miles N. of Hut Point, McMurdo Sound
Prostoma unilineatum	-77.0833	164.2833	1912	1	human observation	British Antarctic (Terra Nova) Expedition, 1910-1913	NIWA	MBIS Terra Nova Expedition	Ross Sea
Amphiporus moseleyi Hubrecht, 1887	-77.0833	164.2833	1912	1	human observation	British Antarctic (Terra Nova) Expedition, 1910-1913	NIWA	MBIS Terra Nova Expedition	Ross Sea