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Towards resolving the problematic status of the digenean genus Astiotrema Looss, 1900: An updated concept and revision of species composition for Astiotrema (sensu stricto)

. Zootaxa. 4991, 1 (Jun. 2021), 36–72. DOI:https://doi.org/10.11646/zootaxa.4991.1.2.