Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Macrobiotus furciger Murray, 1907	-60.65	-45.92	1971	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Laurie Island
Macrobiotus furciger Murray, 1907	-60.68	-45.65	1971	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Signy Island, Foca Point, Foca Cove, Extensive Stand
Macrobiotus weinerorum Dastych, 1984	-67.65	46.1	1974	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Enderby Land
Macrobiotus furciger Murray, 1907	-60.7	-45.6	1971		preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Signy Island, Prats Pond, Sirs 2
Macrobiotus ambiguus Murray, 1907	-70.8	-68.37	1974	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Land, Alexander Island, Ablation Point
Macrobiotus blocki Dastych, 1984	-67.65	46.1	1974	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Enderby Land
Macrobiotus furciger Murray, 1907	-60.73	-44.62	1971	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Laurie 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)
Macrobiotus blocki Dastych, 1984	-67.65	46.1	1974	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Enderby Land
Macrobiotus weinerorum Dastych, 1984	-67.65	46.1	1974	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Enderby Land
Macrobiotus Schultze, 1834	-71.4667	3.25			human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Robertskollen- western Dronning Maud Land
Macrobiotus Schultze, 1834	-78.0	165.5	1905	5	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Bratina Island- McMurdo Ice Shelf
Macrobiotus liviae Ramazzotti, 1962	-54.3833	-36.6			human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Husvik- South Georgia Island
Macrobiotus harmsworthi Murray, 1907	-72.0833	-2.75			human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Grunehogna
Macrobiotus furciger Murray, 1907	-67.8667	-68.7167	1969	2	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Emperor Island- Marguerite Bay
Macrobiotus furciger Murray, 1907	-64.7667	-64.1	1974	3	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Litchfield Island- Northern Antarctic Peninsula
Macrobiotus furciger Murray, 1907	-60.7333	-44.6167	1971	2	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Laurie Island- South Orkney Islands
Macrobiotus furciger Murray, 1907	-67.5667	-68.1333	1974	4	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Adelaide Island- Marguerite Bay
Macrobiotus furciger Murray, 1907	-60.65	-45.9167	1971	2	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Gosling Islands- South Orkney Islands
Macrobiotus furciger Murray, 1907	-67.7667	-68.9	1974	4	human observation	Invertebrates compiled by W.Block	AADC	BLOCK	Avian Island- Maruerite Bay