# of unique Observations	Known data sets that contain (Ptychocylis). This may include sibling taxa data sources.
45	North Pacific Continuous Plankton Recorder Surveys  [presence-info-only, no counts, no data link]
31	Biological Atlas of the Arctic Seas 2000   [ru-03101]
29	SAHFOS-CPR Atlantic Ocean   [uk-05101]
18	Carnegie Cruise VII (1928-1929)   [us-01014]

Last Updated:   2020-Aug-21