Mesopsyllus dimorphus sp. n.: A antennule ♂ (armature omitted), ventral B antennule ♂ (disarticulated), ventral C antennule ♀ (armature omitted), ventral D antennule ♀ (disarticulated), ventral A–B based on holotype (NHMUK reg. no. 2013.1033) C–D based on paratype (NHMUK reg. no. 2013.1034).

  Part of: Mu F-h, Huys R (2017) New Mesopsyllus species from the Bohai Sea, China, re-evaluation of the validity of Vibriopsyllus Kornev & Chertoprud, 2008 and proposal of Sympodella gen. n. (Copepoda, Harpacticoida, Canthocamptidae). ZooKeys 718: 1-33.