A dataset containing 1341674 species occurrences available in GBIF matching the query: { "and" : [ { "or" : [ "BasisOfRecord is Observation", "BasisOfRecord is Machine Observation", "BasisOfRecord is Human Observation", "BasisOfRecord is Material sample", "BasisOfRecord is Literature Occurrence", "BasisOfRecord is Specimen", "BasisOfRecord is Unknown evidence" ] }, "Year 1980-2020", "TaxonKey is Libellulidae" ] } The dataset includes 1341674 records from 1207 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0034696-191105090559680/datasets/export for details. Data from some individual datasets included in this download may be licensed under less restrictive terms.