Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Diphascon mirabilis Dastych, 1984	-64.15	-58.65	1977	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, King George Island
Hypsibius scoticus (Murray, 1905)	-60.7	-45.58	1971	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Signy Island, Observation Bluff
Diphascon pingue (Marcus, 1936)	-60.65	-45.6	1971	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Lynch Island
Diphascon pingue (Marcus, 1936)	-60.7	-45.6	1971	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Signy Islands, Prats Pond, Sirs 2
Diphascon pingue (Marcus, 1936)	-60.68	-45.6	1971	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Signy Island, Lake 2 (Heywood Lake)
Hypsibius alpinus (Murray, 1906)	-60.7	-45.6	1971	7	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Signy Islands, Prats Pond, Sirs 2
Hypsibius alpinus (Murray, 1906)	-60.72	-45.58	1971	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Signy Island, Sirs 1 (South Orkney Islands, Signy Island Reference Site)
Hypsibius alpinus (Murray, 1906)	-60.7	-45.6	1972	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Signy Island, Pool Harbour
Hypsibius alpinus (Murray, 1906)	-60.72	-45.58	1971	9	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Gourlay Peninsula, Cliff
Hypsibius scoticus (Murray, 1905)	-60.72	-45.58	1972	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Signy Island, Backslope
Hypsibius alpinus (Murray, 1906)	-60.6	-46.05	1971	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Monroe Island
Hypsibius pingius Marcus, 1936	-60.65	-45.6	1971	2	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Lynch Island-South Orkney Islands
Diphascon greveni Dastych, 1984	-62.7	-61.15			human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Byers Peninsula S.S.S.I- Livingston Island
Hypsibius alpinus (Murray, 1906)	-62.2	-58.9667	1974	4	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	King George Island- South Shetland Islands
Diphascon mirabile Dastych, 1984	-63.0	-60.5833			human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Collins Point- Deception Island
Diphascon pingue (Marcus, 1936)	-64.5833	-61.7			human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Charolette Bay
Diphascon pingue (Marcus, 1936)	-62.2	-58.9			human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Ardley Island- South Shetland Islands
Hypsibius scoticus (Murray, 1905)	-67.85	-67.2	1974	4	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Horseshoe Island- Marguerite Bay
Hypsibius scoticus (Murray, 1905)	-61.1667	-55.2333	1971	3	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Elephant Island- South Shetland Islands
Hypsibius scoticus (Murray, 1905)	-54.2833	-36.5	1974	4	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	King Edward Point- South Georgia