# of unique Observations	Known data sets that contain (Thalassiosira gravida). This may include sibling taxa data sources.
383	Biological Atlas of the Arctic Seas 2000   [ru-03101]
88	Australia 75years paper  [presence-info-only, no counts, no data link]
15	USCG Chelan   [us-01055]
1	Tridente III   [ar-01001]

Last Updated:   2020-Aug-24