Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Metridia asymmetrica Brodsky, 1950	-65.075	-48.008	1964	3	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Metridia asymmetrica Brodsky, 1950	-63.5	-94.05	1966	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Metridia asymmetrica Brodsky, 1950	-57.425	-23.225	1963	4	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Saunders Island
Metridia asymmetrica Brodsky, 1950	-63.833	-71.3	1962	10	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Antarctic Peninsula
Metridia asymmetrica Brodsky, 1950	-61.542	-62.292	1962	8	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands