Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Stenosemus Middendorff, 1847	-53.6	-38.05	1975	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Georgia Island
Callochiton bouveti Thiele, 1906	-64.7917	-64.3292	1971	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Joubin Islands
Tonicella Carpenter, 1873	-64.78	-64.1	1973	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Anvers Island, Near Island
Nuttallochiton mirandus (Thiele, 1906)	-56.705	-27.0067	1975	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Visokoi Island, SE of island
Chitonidae	-54.7317	-63.87	1971	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Staten Island, San Juan Del Salvamento Bay
Nuttallochiton mirandus (Thiele, 1906)	-62.1883	-42.7217	1976	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Coronation Island, south of island
Chiton Linnaeus, 1758	-54.77	-64.7117	1971	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Staten Island, Crossley Bay
Hemiarthrum setulosum Carpenter, 1876	-64.7806	-64.025	1974	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Anvers Island
Hemiarthrum setulosum Carpenter, 1876	-64.77	-64.07	1974	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Anvers Island
Chitonidae	-43.3	-64.283	1978	7	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Ninfas Point
Lepidopleurus nicomedes Dall, 1919	-51.8667	-73.6833	1888	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Reina Adelaida Archipelago, Strait Of Magellan, West mouth of Straits
Chitonidae	-54.7483	-64.9433	1971	10	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Staten Island
Plaxiphora aurata (Spalowsky, 1795)	-54.7567	-64.1633	1971	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Staten Island, Puerto Basil Hall
Nuttallochiton mirandus (Thiele, 1906)	-53.6	-38.05	1975	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Georgia Island
Nuttallochiton mirandus (Thiele, 1906)	-60.4633	-46.385	1976	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, Coronation Island, NW of island
Tonicina zschaui (Pfeffer, 1886)	-64.8214	-63.5058	1970	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Palmer Archipelago, Wiencke Island, Port Lockroy
Nuttallochiton mirandus (Thiele, 1906)	-53.6367	-37.9117	1975	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Georgia Island
Nuttallochiton mirandus (Thiele, 1906)	-65.2267	-64.1833	1973	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Argentine Islands, Penola Strait
Nuttallochiton mirandus (Thiele, 1906)	-61.3283	-44.435	1976	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Orkney Islands, on continental shelf south of islands
Tonicia Gray, 1847	-54.7967	-65.27	1971	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Buen Suceso Bay