basis of recordGrootaert, P.; De Bruyn, L.; De Meyer, M. (1991). Catalogue of the Diptera of Belgium. <em>Studiedocumenten van het Koninklijk Belgisch Instituut voor Natuurwetenschappen.</em> 70: 338pp. (look up in IMIS) [details]
additional sourceBrunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors
additional sourceIntegrated Taxonomic Information System (ITIS). , available online athttp://www.itis.gov[details]