Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Atolla Haeckel, 1880	-53.108	-37.75	1963	9	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Georgia Island, NW of island
Atolla wyvillei Haeckel, 1880	-62.417	-101.025	1966	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Periphylla periphylla (Péron & Lesueur, 1810)	-77.5	166.07	1948	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Victoria Land, Mcmurdo Sound, Ross Island, Cape Royds
Atolla chuni (Vanhöffen, 1902)	-61.492	-108.592	1966	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Atolla Haeckel, 1880	-74.175	-174.825	1968	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Atolla wyvillei Haeckel, 1880	-70.117	-101.258	1964	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Ellsworth Land, Thurston Island
Atolla chuni (Vanhöffen, 1902)	-56.183	-60.942	1962	7	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Staten Island, east of island
Atolla wyvillei Haeckel, 1880	-64.275	-82.608	1963	10	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Atolla chuni (Vanhöffen, 1902)	-66.175	-92.833	1964	6	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Peter I Island, north of island
Periphylla periphylla (Péron & Lesueur, 1810)	-67.24	-70.2267	1972	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula, Adelaide Island, west of island
Periphylla periphylla (Péron & Lesueur, 1810)	-65.142	-114.158	1964	1	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Atolla Haeckel, 1880	-52.75	-67.742	1964	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Strait Of Magellan, west of Point Dungeness
Atolla chuni (Vanhöffen, 1902)	-62.608	-74.675	1963	11	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Drake Passage
Atolla chuni (Vanhöffen, 1902)	-56.433	-115.058	1963	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Atolla chuni (Vanhöffen, 1902)	-60.0508	140.404	1968	7	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Atolla wyvillei Haeckel, 1880	-62.292	-95.767	1966	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Atolla wyvillei Haeckel, 1880	-56.65	-74.983	1963	11	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Drake Passage
Atolla chuni (Vanhöffen, 1902)	-56.683	-150.025	1964	11	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Atolla chuni (Vanhöffen, 1902)	-57.3733	160.0	1968	6	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Macquarie Island, south of island
Atolla Haeckel, 1880	-59.658	155.35	1967	2	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology