Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Powellisetia deserta (E.A.Smith, 1907)	-65.2417	-64.2125	1973	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Argentine Islands, Galindez Island, north of island
Powellisetia deserta (E.A.Smith, 1907)	-72.083	172.142	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land
Powellisetia deserta (E.A.Smith, 1907)	-73.092	174.033	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land
Powellisetia deserta (E.A.Smith, 1907)	-76.142	168.167	1967	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Franklin Island, off Island
Powellisetia deserta (E.A.Smith, 1907)	-76.142	168.167	1967	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Franklin Island, off Island
Powellisetia deserta (E.A.Smith, 1907)	-72.083	172.142	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land
Powellisetia deserta (E.A.Smith, 1907)	-76.167	168.283	1967	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Franklin Island, off Island
Powellisetia deserta (E.A.Smith, 1907)	-73.033	176.867	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land
Powellisetia deserta (E.A.Smith, 1907)	-74.517	170.183	1967	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Coulman Island, south of island
Powellisetia deserta (E.A.Smith, 1907)	-72.008	172.508	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land
Powellisetia deserta (E.A.Smith, 1907)	-72.058	172.367	1968	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land
Powellisetia deserta (E.A.Smith, 1907)	-66.2747	110.518	1962	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Wilkes Land, Budd Coast, Wilkes Station
Powellisetia deserta (E.A.Smith, 1907)	-71.792	-106.214	2008	3	human observation	amundsen_sea_molluscs	BAS	BIOPEARL II
Powellisetia deserta (E.A.Smith, 1907)	-71.31167	-12.285	1996	2	human observation	Weddell Sea macrozoobenthos EASIZ I	AWI	Weddell Sea macrozoobenthos EASIZ I	Kapp Norvegia area
Powellisetia deserta (E.A.Smith, 1907)	-71.67483	-12.695	1996	2	human observation	Weddell Sea macrozoobenthos EASIZ I	AWI	Weddell Sea macrozoobenthos EASIZ I	Kapp Norvegia area
Powellisetia deserta (E.A.Smith, 1907)	-71.31	-12.42333	1996	2	human observation	Weddell Sea macrozoobenthos EASIZ I	AWI	Weddell Sea macrozoobenthos EASIZ I	Kapp Norvegia area
Powellisetia deserta (E.A.Smith, 1907)	-77.85	166.6167	1902		human observation	SOMBASE – Southern Ocean mollusc database: a tool for biogeographic analysis in diversity and evolution
Powellisetia deserta (E.A.Smith, 1907)	-67.0	142.5	1916		human observation	SOMBASE – Southern Ocean mollusc database: a tool for biogeographic analysis in diversity and evolution
Powellisetia deserta (E.A.Smith, 1907)	-67.0	142.5	1913		human observation	SOMBASE – Southern Ocean mollusc database: a tool for biogeographic analysis in diversity and evolution
Powellisetia deserta (E.A.Smith, 1907)	-67.0	142.5	1916		human observation	SOMBASE – Southern Ocean mollusc database: a tool for biogeographic analysis in diversity and evolution