Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Hypsibius renaudi Ramazzotti, 1972	-60.75	-45.6	1990	8	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Elephant Island
Macrobiotus ambiguus Murray, 1907	-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 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 dujardini (Doyère, 1840)	-60.7	-45.6	1972	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Pool Harbour Pool
Macrobiotus blocki Dastych, 1984	-67.65	46.1	1974	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Enderby Land
Hypsibius oberhaeuseri (Doyère, 1840)	-70.8	-68.37	1974	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Land, Alexander Island, Ablation Point
Hypsibius dujardini (Doyère, 1840)	-67.55	-67.07	1969	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Blaiklock Island, Marguerite Bay
Macrobiotus weinerorum Dastych, 1984	-67.65	46.1	1974	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Enderby Land
Hypsibius alpinus (Murray, 1906)	-60.6	-46.05	1971	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Monroe Island
Thulinius augusti (Murray, 1907)	-54.58333	158.9167			preserved specimen	Queensland Museum provider for OZCAM	QM	OtherInverts	Wireless Hill, Macquarie I
Thulinius augusti (Murray, 1907)	-54.58333	158.9167			preserved specimen	Queensland Museum provider for OZCAM	QM	OtherInverts	Wireless Hill, Macquarie I
Thulinius augusti (Murray, 1907)	-54.58333	158.9167			preserved specimen	Queensland Museum provider for OZCAM	QM	OtherInverts	Wireless Hill, Macquarie I
Macrobiotus Schultze, 1834	-71.4667	3.25			human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Robertskollen- western Dronning Maud Land
Hypsibius pingius Marcus, 1936	-60.65	-45.6	1971	2	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Lynch Island-South Orkney Islands
Hypsibius dujardini (Doyère, 1840)	-68.1333	-67.1	1974	3	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Barbara Island- Marguerite Bay
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
Hypsibius renaudi Ramazzotti, 1972	-64.7167	-62.5667			human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Brewster Island
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