Xu, K.; Agatha, S.; Dolan, J. (2024). World Ciliophora Database. Metopus Claparède & Lachmann, 1858. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=172336 on 2024-11-25
basis of recordParker, S.P. (Ed.) (1982). Synopsis and classification of living organisms. McGraw Hill Book Company: New York, NY (USA). ISBN 0-07-079031-0. 1166, 1232 pp. (look up in IMIS) [details]
additional sourcePatterson, D. (2001). Platypus checklist of Protoctista[details]
Present Inaccurate Introduced: alien Containing type locality