Scientific name	Latitude	Longitude	Year	Month	Basis of record	Dataset	Institution code	Collection code	Locality
Pleurobranchidae	-62.9334	-61.4792	2006	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Snow Island
Pleurobranchidae	-63.1473	-57.124	2006	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology
Pleurobranchidae	-62.7458	-56.748	2004	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Bransfield Strait, Elephant Island
Pleurobranchidae	-53.78	-60.7	2006	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Argentinean waters
Bathyberthella antarctica Willan & Bertsch, 1987	-56.6767	-27.0133	1975	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Visokoi Island, SE of island
Pleurobranchidae	-63.6691	-61.1675	2006	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	South Shetland Islands, Bransfield Strait, Trinity Island, northwest of island
Pleurobranchidae	-63.3842	-60.0567	2004	12	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Trinity Peninsula
Pleurobranchidae	-53.78	-60.7	2006	5	preserved specimen	NMNH Extant Specimen Records	USNM	Invertebrate Zoology	Argentinean waters