Two new species of Phyllodistomum Braun, 1899 are described from the urinary bladder of fishes of the Great Barrier Reef. Phyllodistomum hoggettae n. sp. is described from Plectropomus leopardus (leopard coralgrouper) (Serranidae) and P. vaili n. sp. is described from Mulloidichthys vanicolensis (yellowfin goatfish) and M. flavolineatus (yellowstripe goatfish) (Mullidae). These species are compared with 26 previously described marine Phyllodistomum species and found to be distinct in combinations of body shape, sucker ratio and shape of the gonads. Preliminary molecular data also demonstrate that they are distinct from each other and for those other species for which data are available.
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Ho et al. (2014) studied this question.
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